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Moved page from wikipedia:en:Agent-based computational economics (history)
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'''Agent-based computational economics''' ('''ACE''') is the area of [[computational economics]] that studies economic processes, including whole [[economy|economies]], as [[dynamic system]]s of interacting [[Agent (economics)|agents]]. As such, it falls in the [[paradigm]] of [[complex adaptive system]]s.<ref>• [[W. Brian Arthur]], 1994. "[https://ocw.tudelft.nl/wp-content/uploads/ElFarolArtur1994.pdf Inductive Reasoning and Bounded Rationality]," ''American Economic Review'', 84(2), pp. [http://www-personal.umich.edu/~samoore/bit885f2011/arthur-inductive.pdf 406-411] {{Webarchive|url=https://web.archive.org/web/20130521145936/http://www-personal.umich.edu/~samoore/bit885f2011/arthur-inductive.pdf |date=21 May 2013 }}.<br/> • [[Leigh Tesfatsion]], 2003. "Agent-based Computational Economics: Modeling Economies as Complex Adaptive Systems," ''Information Sciences'', 149(4), pp. [http://copper.math.buffalo.edu/urgewiki/uploads/Literature/Tesfatsion2002.pdf 262-268] {{webarchive|url=https://web.archive.org/web/20120426000037/http://copper.math.buffalo.edu/urgewiki/uploads/Literature/Tesfatsion2002.pdf |date=26 April 2012 }}.</ref> In corresponding [[agent-based model]]s, the "[[agent (economics)|agents]]" are "computational objects modeled as interacting according to rules" over space and time, not real people. The rules are formulated to model behavior and social interactions based on incentives and information.<ref>Scott E. Page (2008). "agent-based models," ''[[The New Palgrave Dictionary of Economics]]'', 2nd Edition. [http://www.dictionaryofeconomics.com/article?id=pde2008_A000218&edition=current&q=agent-based%20computational%20modeling&topicid=&result_number=1 Abstract].</ref> Such rules could also be the result of optimization, realized through use of AI methods (such as [[Q-learning]] and other reinforcement learning techniques).<ref>Richard S. Sutton and Andrew G. Barto, Reinforcement Learning: An Introduction, The MIT Press, Cambridge, MA, 1998 [http://www.cs.ualberta.ca/~sutton/book/ebook/the-book.html] {{Webarchive|url=https://web.archive.org/web/20090904194934/http://www.cs.ualberta.ca/~sutton/book/ebook/the-book.html |date=4 September 2009 }}</ref>
Agent-based computational economics (ACE) is the area of computational economics that studies economic processes, including whole economies, as dynamic systems of interacting agents. As such, it falls in the paradigm of complex adaptive systems. In corresponding agent-based models, the "agents" are "computational objects modeled as interacting according to rules" over space and time, not real people. The rules are formulated to model behavior and social interactions based on incentives and information. Such rules could also be the result of optimization, realized through use of AI methods (such as Q-learning and other reinforcement learning techniques).
基于代理的计算经济学研究是计算经济学的一个领域，研究经济过程，包括整个经济，作为动态系统的相互作用的代理。因此，它属于复杂适应系统的范式。在相应的基于主体的模型中，“主体”是“根据规则建模的交互计算对象” ，在空间和时间上，而不是真实的人。这些规则是为了建立基于激励和信息的行为和社会互动模型而制定的。这些规则也可能是优化的结果，通过人工智能方法(如 q 学习和其他强化学习技术)来实现。
The theoretical assumption of [[mathematical optimization]] by agents in [[equilibrium (economics)|equilibrium]] is replaced by the less restrictive postulate of agents with [[bounded rationality]] ''adapting'' to market forces.<ref>• [[John H. Holland]] and John H. Miller (1991). "Artificial Adaptive Agents in Economic Theory," ''American Economic Review'', 81(2), pp. [http://www.santafe.edu/media/workingpapers/91-05-025.pdf 365-370] {{Webarchive|url=https://web.archive.org/web/20110105015853/http://www.santafe.edu/media/workingpapers/91-05-025.pdf |date=5 January 2011 }} p. 366.<br/> • [[Thomas C. Schelling]] (1978 [2006]). ''Micromotives and Macrobehavior'', Norton. [http://books.wwnorton.com/books/978-0-393-32946-9/ Description] {{Webarchive|url=https://web.archive.org/web/20171102093240/http://books.wwnorton.com/books/978-0-393-32946-9/ |date=2 November 2017 }}, [https://books.google.com/books?id=DenWKRgqzWMC&printsec=find&pg=PA1=#v=onepage&q&f=false preview].<br/> •
The theoretical assumption of mathematical optimization by agents in equilibrium is replaced by the less restrictive postulate of agents with bounded rationality adapting to market forces. • Thomas C. Schelling (1978 [2006]). Micromotives and Macrobehavior, Norton. [http://books.wwnorton.com/books/978-0-393-32946-9/ Description] , [https://books.google.com/books?id=DenWKRgqzWMC&printsec=find&pg=PA1=#v=onepage&q&f=false preview].<br/> •
代理人均衡的最优化假设被代理人适应市场力量的限制较少的假设所取代。 •托马斯 · c · 谢林(Thomas c. Schelling，1978[2006])。微动机和宏行为，诺顿。[ http://books.wwnorton.com/books/978-0-393-32946-9/ 描述] ，[ https://books.google.com/books?id=denwkrgqzwmc&printsec=find&pg=pa1=#v=onepage&q&f=false 预览] . br / •
[[Thomas J. Sargent]], 1994. ''Bounded Rationality in Macroeconomics'', Oxford. [http://www.oup.com/us/catalog/general/subject/Economics/MacroeconomicTheory/?view=usa&ci=9780198288695 Description] and chapter-preview 1st-page [https://www.questia.com/library/book/bounded-rationality-in-macroeconomics-thomas-j-sargent-by-thomas-j-sargent.jsp links.]</ref> ACE models apply [[numerical methods]] of analysis to [[Computer simulation|computer-based simulations]] of complex dynamic problems for which more conventional methods, such as theorem formulation, may not find ready use.<ref>• Kenneth L. Judd, 2006. "Computationally Intensive Analyses in Economics," ''Handbook of Computational Economics'', v. 2, ch. 17, Introduction, p. 883. [Pp. [https://books.google.com/books?id=6ITfRkNmKQcC&pg=PA881 881-] 893. Pre-pub [http://www2.econ.iastate.edu/tesfatsi/Judd.finalrev.pdf PDF].
Thomas J. Sargent, 1994. Bounded Rationality in Macroeconomics, Oxford. [http://www.oup.com/us/catalog/general/subject/Economics/MacroeconomicTheory/?view=usa&ci=9780198288695 Description] and chapter-preview 1st-page [https://www.questia.com/library/book/bounded-rationality-in-macroeconomics-thomas-j-sargent-by-thomas-j-sargent.jsp links.]</ref> ACE models apply numerical methods of analysis to computer-based simulations of complex dynamic problems for which more conventional methods, such as theorem formulation, may not find ready use.<ref>• Kenneth L. Judd, 2006. "Computationally Intensive Analyses in Economics," Handbook of Computational Economics, v. 2, ch. 17, Introduction, p. 883. [Pp. [https://books.google.com/books?id=6ITfRkNmKQcC&pg=PA881 881-] 893. Pre-pub [http://www2.econ.iastate.edu/tesfatsi/Judd.finalrev.pdf PDF].
托马斯·萨金特，1994年。牛津大学宏观经济学有限理性。[ http://www.oup.com/us/catalog/general/subject/economics/macroeconomictheory/?view=usa&ci=9780198288695说明]和第一章预览页面[ https://www.questia.com/library/book/bounded-rationality-in-macroeconomics-thomas-j-sargent-by-thomas-j-sargent.jsp 链接]。] / ref ACE 模型将数值分析方法应用于基于计算机的复杂动力学问题的模拟，对于这些问题，更多的传统方法，如定理公式，可能找不到现成的用途。 文献• Kenneth l. Judd，2006。《经济学中的计算密集分析》 ，《计算经济学手册，第2卷，第5页。17，Introduction，p. 883.[ Pp.Https://books.google.com/books?id=6itfrknmkqcc&pg=pa881881-893.预订酒吧[ http://www2.econ.iastate.edu/tesfatsi/judd.finalrev.PDF PDF ]。
<br/> • _____, 1998. ''Numerical Methods in Economics'', MIT Press. Links to [http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=3257 description] {{webarchive|url=https://web.archive.org/web/20120211061602/http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=3257 |date=11 February 2012 }} and [https://books.google.com/books?id=9Wxk_z9HskAC&pg=PR7 chapter previews].</ref> Starting from initial conditions specified by the modeler, the computational economy evolves over time as its constituent agents repeatedly interact with each other, including learning from interactions. In these respects, ACE has been characterized as a bottom-up culture-dish approach to the study of [[economic systems]].<ref>• Leigh Tesfatsion (2002). "Agent-Based Computational Economics: Growing Economies from the Bottom Up," ''Artificial Life'', 8(1), pp.55-82. [http://www.mitpressjournals.org/doi/abs/10.1162/106454602753694765 Abstract] and pre-pub [http://www.econ.brown.edu/fac/Peter_Howitt/SummerSchool/Agent.pdf PDF] {{webarchive|url=https://web.archive.org/web/20130514143904/http://www.econ.brown.edu/fac/Peter_Howitt/SummerSchool/Agent.pdf |date=14 May 2013 }}.<br/> • _____ (1997). "How Economists Can Get Alife," in W. B. Arthur, S. Durlauf, and D. Lane, eds., ''The Economy as an Evolving Complex System, II'', pp. 533-564. Addison-Wesley. Pre-pub [http://ageconsearch.umn.edu/bitstream/18196/1/er37.pdf PDF].</ref>
<br/> • _____, 1998. Numerical Methods in Economics, MIT Press. Links to [http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=3257 description] and [https://books.google.com/books?id=9Wxk_z9HskAC&pg=PR7 chapter previews].</ref> Starting from initial conditions specified by the modeler, the computational economy evolves over time as its constituent agents repeatedly interact with each other, including learning from interactions. In these respects, ACE has been characterized as a bottom-up culture-dish approach to the study of economic systems.
<br/> • _____, 1998.经济学数值方法，麻省理工学院出版社。链接到[ http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=3257说明]和[ https://books.google.com/books?id=9wxk_z9hskac&pg=pr7章预览]。 从建模者指定的初始条件开始，计算经济随着时间的推移而发展，其组成代理不断地相互交互，包括从交互中学习。在这些方面，ACE 被认为是研究经济体系的一种自下而上的文化方法。
ACE has a similarity to, and overlap with, [[game theory]] as an agent-based method for modeling social interactions.<ref name="COMP>">• [[Joseph Y. Halpern]] (2008). "computer science and game theory," ''The New Palgrave Dictionary of Economics'', 2nd Edition. [http://www.dictionaryofeconomics.com/article?id=pde2008_C000566&edition=current&q=&topicid=&result_number=1 Abstract].<br/> • Yoav Shoham (2008). "Computer Science and Game Theory," ''Communications of the ACM'', 51(8), pp.
ACE has a similarity to, and overlap with, game theory as an agent-based method for modeling social interactions. • Yoav Shoham (2008). "Computer Science and Game Theory," Communications of the ACM, 51(8), pp.
Ace 与博弈论有相似之处，并且与博弈论有重叠，博弈论是一种基于 agent 的社会互动建模方法。 • Yoav Shoham (2008)。《计算机科学与博弈论》 ，美国计算机学会通讯，51(8)页。
[http://www.robotics.stanford.edu/~shoham/www%20papers/CSGT-CACM-Shoham.pdf 75-79] {{Webarchive|url=https://web.archive.org/web/20120426005917/http://www.robotics.stanford.edu/~shoham/www%20papers/CSGT-CACM-Shoham.pdf |date=26 April 2012 }}.<br/> • [[Alvin E. Roth]] (2002). "The Economist as Engineer: Game Theory, Experimentation, and Computation as Tools for Design Economics," ''Econometrica'', 70(4), pp. [https://web.archive.org/web/20040414102216/http://kuznets.fas.harvard.edu/~aroth/papers/engineer.pdf 1341–1378].</ref> But practitioners have also noted differences from standard methods, for example in ACE events modeled being driven solely by initial conditions, whether or not equilibria exist or are computationally tractable, and in the modeling facilitation of agent autonomy and learning.<ref>Tesfatsion, Leigh (2006), "Agent-Based Computational Economics: A Constructive Approach to Economic Theory," ch. 16, ''Handbook of Computational Economics'', v. 2, part 2, ACE study of economic system. [http://www.sciencedirect.com/science/article/pii/S1574002105020162 Abstract] and pre-pub [http://econ2.econ.iastate.edu/tesfatsi/hbintlt.pdf PDF].</ref>
[http://www.robotics.stanford.edu/~shoham/www%20papers/CSGT-CACM-Shoham.pdf 75-79] .<br/> • Alvin E. Roth (2002). "The Economist as Engineer: Game Theory, Experimentation, and Computation as Tools for Design Economics," Econometrica, 70(4), pp. [https://web.archive.org/web/20040414102216/http://kuznets.fas.harvard.edu/~aroth/papers/engineer.pdf 1341–1378].</ref> But practitioners have also noted differences from standard methods, for example in ACE events modeled being driven solely by initial conditions, whether or not equilibria exist or are computationally tractable, and in the modeling facilitation of agent autonomy and learning.
[http://www.robotics.stanford.edu/~shoham/www%20papers/CSGT-CACM-Shoham.pdf 75-79] .<br/> • Alvin E. Roth (2002).《作为工程师的经济学家: 博弈论、实验和计算作为设计经济学的工具》 ，《经济学》 ，70(4) ，页。[ https://web.archive.org/web/20040414102216/http://kuznets.fas.harvard.edu/~aroth/papers/engineer.pdf 1341-1378]. 但是，实践者也注意到了与标准方法的区别，例如，在模型化的 ACE 事件中，完全由初始条件驱动，无论均衡是否存在，或者是否在计算上易于处理，以及在促进 agent 自主性和学习的建模方面。
The method has benefited from continuing improvements in modeling techniques of [[computer science]] and increased computer capabilities. The ultimate scientific objective of the method is to "test theoretical findings against real-world data in ways that permit empirically supported theories to cumulate over time, with each researcher’s work building appropriately on the work that has gone before."<ref>• Leigh Tesfatsion (2006). "Agent-Based Computational Economics: A Constructive Approach to Economic Theory," ch. 16, ''Handbook of Computational Economics'', v. 2, [pp. 831-880] sect. 5. [http://www.sciencedirect.com/science/article/pii/S1574002105020162 Abstract] and pre-pub [http://econ2.econ.iastate.edu/tesfatsi/hbintlt.pdf PDF].<br/> • [[Kenneth L. Judd]] (2006). "Computationally Intensive Analyses in Economics," ''Handbook of Computational Economics'', v. 2, ch. 17, pp. [https://books.google.com/books?id=6ITfRkNmKQcC&pg=PA881 881-] 893. Pre-pub [http://www2.econ.iastate.edu/tesfatsi/Judd.finalrev.pdf PDF].<br/> • Leigh Tesfatsion and Kenneth L. Judd, ed. (2006). ''Handbook of Computational Economics'', v. 2. [http://www.elsevier.com/wps/find/bookdescription.cws_home/660847/description#description Description] {{Webarchive|url=https://web.archive.org/web/20120306100156/http://www.elsevier.com/wps/find/bookdescription.cws_home/660847/description#description |date=6 March 2012 }} & and chapter-preview
The method has benefited from continuing improvements in modeling techniques of computer science and increased computer capabilities. The ultimate scientific objective of the method is to "test theoretical findings against real-world data in ways that permit empirically supported theories to cumulate over time, with each researcher’s work building appropriately on the work that has gone before." • Kenneth L. Judd (2006). "Computationally Intensive Analyses in Economics," Handbook of Computational Economics, v. 2, ch. 17, pp. [https://books.google.com/books?id=6ITfRkNmKQcC&pg=PA881 881-] 893. Pre-pub [http://www2.econ.iastate.edu/tesfatsi/Judd.finalrev.pdf PDF].<br/> • Leigh Tesfatsion and Kenneth L. Judd, ed. (2006). Handbook of Computational Economics, v. 2. [http://www.elsevier.com/wps/find/bookdescription.cws_home/660847/description#description Description] & and chapter-preview
这种方法得益于计算机科学建模技术的不断改进和计算机能力的提高。这种方法的最终科学目标是”用实际数据来检验理论发现，方法是允许经验支持的理论随着时间的推移而累积，每个研究人员的工作在以前工作的基础上进行适当的建设。”• Kenneth l. Judd (2006)。《经济学中的计算密集分析》 ，计算经济学手册，第2卷，第5页。17页。Https://books.google.com/books?id=6itfrknmkqcc&pg=pa881881-893.Pre-pub [http://www2.econ.iastate.edu/tesfatsi/Judd.finalrev.pdf PDF].<br/> • Leigh Tesfatsion and Kenneth L. Judd, ed.(2006).计算经济学手册第2节。[ http://www.elsevier.com/wps/find/bookdescription.cws_home/660847/Description#Description 说明]和章节预览
[http://www.sciencedirect.com/science?_ob=PublicationURL&_hubEid=1-s2.0-S1574002105X02003&_cid=273377&_pubType=HS&_auth=y&_acct=C000228598&_version=1&_urlVersion=0&_userid=10&md5=e4757b4f65755ed6340a11fee9615200 links.]</ref> The subject has been applied to research areas like [[asset pricing]],<ref name=arthuretal>B. Arthur, J. Holland, B. LeBaron, R. Palmer, P. Taylor (1997), 'Asset pricing under endogenous expectations in an artificial stock market,' in ''The Economy as an Evolving Complex System II'', B. Arthur, S. Durlauf, and D. Lane, eds., Addison Wesley.</ref> [[competition]] and [[collaboration]],<ref>[[Robert Axelrod]] (1997). ''The Complexity of Cooperation: Agent-Based Models of Competition and Collaboration'', Princeton. [http://press.princeton.edu/titles/6144.html Description], [http://press.princeton.edu/titles/6144.html#TOC contents], and [https://books.google.com/books?id=J0dgRGMdjmQC&printsec=find&pg=PR11#v=onepage&q&f=false preview].</ref> [[transaction cost]]s,<ref>Tomas B. Klosa and [[Bart Nooteboom]], 2001. "Agent-based Computational Transaction Cost Economics," ''Journal of Economic Dynamics and Control'' 25(3–4), pp. 503–52. [http://www.sciencedirect.com/science/article/pii/S0165188900000348 Abstract.]</ref> [[market structure]] and [[industrial organization]] and dynamics,<ref>• Roberto Leombruni and Matteo Richiardi, ed. (2004), ''Industry and Labor Dynamics: The Agent-Based Computational Economics Approach.'' World Scientific Publishing {{ISBN|981-256-100-5}}. [http://www.worldscibooks.com/economics/5706.html Description] {{Webarchive|url=https://web.archive.org/web/20100727221149/http://www.worldscibooks.com/economics/5706.html |date=27 July 2010 }} and chapter-preview [https://books.google.com/books?id=P5O7A5D55nQC&printsec=fond&pg=PR5#v=onepage&q&f=false links].<br/> • [[Joshua M. Epstein]] (2006). "Growing Adaptive Organizations: An Agent-Based Computational Approach," in ''Generative Social Science: Studies in Agent-Based Computational Modeling'', pp. [https://books.google.com/books?id=543OS3qdxBYC&pg=PA309 309-] 344. [http://press.princeton.edu/titles/8277.html Description] {{Webarchive|url=https://web.archive.org/web/20120126180655/http://press.princeton.edu/titles/8277.html |date=26 January 2012 }} and [http://www.santafe.edu/research/working-papers/abstract/99895b6465e8b87656612f8e3570b34c/ abstract].</ref> [[welfare economics]],<ref>[[Robert Axtell]] (2005). "The Complexity of Exchange," ''Economic Journal'', 115(504, Features), pp. [http://econfaculty.gmu.edu/pboettke/workshop/archives/f05/Axtell.pdf F193-F210].</ref> and [[mechanism design]],<ref>• ''The New Palgrave Dictionary of Economics'' (2008), 2nd Edition: <br/> [[Roger B. Myerson]] "mechanism design." [http://www.dictionaryofeconomics.com/article?id=pde2008_M000132&edition=current&q=mechanism%20design&topicid=&result_number=3 Abstract.] <br/> _____. "revelation principle." [http://www.dictionaryofeconomics.com/article?id=pde2008_R000137&edition=current&q=moral&topicid=&result_number=1 Abstract.]<br/> Tuomas Sandholm. "computing in mechanism design." [http://www.dictionaryofeconomics.com/article?id=pde2008_C000563&edition=&field=keyword&q=algorithmic%20mechanism%20design&topicid=&result_number=1 Abstract.]<br/> • [[Noam Nisan]] and Amir Ronen (2001). "Algorithmic Mechanism Design," ''Games and Economic Behavior'', 35(1-2), pp. [https://www.cs.cmu.edu/~sandholm/cs15-892F09/Algorithmic%20mechanism%20design.pdf 166–196].<br/> • [[Noam Nisan]] ''et al''., ed. (2007). ''Algorithmic Game Theory'', Cambridge University Press. [http://www.cup.cam.ac.uk/asia/catalogue/catalogue.asp?isbn=9780521872829 Description] {{Webarchive|url=https://web.archive.org/web/20120505140924/http://www.cup.cam.ac.uk/asia/catalogue/catalogue.asp?isbn=9780521872829 |date=5 May 2012 }}.</ref> [[Information economics|information and uncertainty]],<ref>Tuomas W. Sandholm and Victor R. Lesser (2001). "Leveled Commitment Contracts and Strategic Breach," ''Games and Economic Behavior'', 35(1-2), pp. [https://www.cs.cmu.edu/afs/.cs.cmu.edu/Web/People/sandholm/leveled.geb.pdf 212-270].</ref> [[macroeconomics]],<ref>• [[David Colander]], [[Peter Howitt]], Alan Kirman, [[Axel Leijonhufvud]], and [[Perry Mehrling]], 2008. "Beyond DSGE Models: Toward an Empirically Based Macroeconomics," ''American Economic Review'', 98(2), pp. [https://www.jstor.org/pss/29730026 236]-240. Pre-pub [http://www.brown.edu/Departments/Economics/Faculty/Peter_Howitt/publication/complex%20macro6.pdf PDF].<br/> • [[Thomas J. Sargent]] (1994). ''Bounded Rationality in Macroeconomics'', Oxford. [http://www.oup.com/us/catalog/general/subject/Economics/MacroeconomicTheory/?view=usa&ci=9780198288695 Description] and chapter-preview 1st-page [https://www.questia.com/library/book/bounded-rationality-in-macroeconomics-thomas-j-sargent-by-thomas-j-sargent.jsp links].<br/> • M. Oeffner (2009). '[http://www.opus-bayern.de/uni-wuerzburg/volltexte/2009/3927/pdf/OeffnerDissohneAnhang.pdf Agent-based Keynesian Macroeconomics]'. PhD thesis, Faculty of Economics, University of Würzburg.</ref> and [[Marxist economics]].<ref>A. F. Cottrell, P. Cockshott, G. J. Michaelson, I. P. Wright, V. Yakovenko
[http://www.sciencedirect.com/science?_ob=PublicationURL&_hubEid=1-s2.0-S1574002105X02003&_cid=273377&_pubType=HS&_auth=y&_acct=C000228598&_version=1&_urlVersion=0&_userid=10&md5=e4757b4f65755ed6340a11fee9615200 links.]</ref> The subject has been applied to research areas like asset pricing, competition and collaboration, transaction costs, market structure and industrial organization and dynamics, welfare economics, and mechanism design, information and uncertainty, macroeconomics, and Marxist economics.<ref>A. F. Cottrell, P. Cockshott, G. J. Michaelson, I. P. Wright, V. Yakovenko
[ http://www.sciencedirect.com/science?_ob=publicationurl&_hubeid=1-s2.0-s1574002105x02003&_cid=273377&_pubtype=hs&_auth=y&_acct=c000228598&_version=1&_urlversion=0&_userid=10&md5=e4757b4f65755ed6340a11fee9615200连结。参考文献这个主题已经应用于研究领域，如资产定价、竞争与合作、交易成本、市场结构与产业组织与动态、福利经济学、机制设计、信息与不确定性、宏观经济学和马克思主义政治经济学。 参考文献 a。科特雷尔，p. Cockshott，g. j. Michaelson，i. p. Wright，v. Yakovenko
(2009), ''Classical Econophysics''. Routledge, {{ISBN|978-0-415-47848-9}}.</ref><ref>Leigh Tesfatsion (2006), "Agent-Based Computational Economics: A Constructive Approach to Economic Theory," ch. 16, ''Handbook of Computational Economics'', v. 2, part 2, ACE study of economic system. [http://www.sciencedirect.com/science/article/pii/S1574002105020162 Abstract] and pre-pub [http://econ2.econ.iastate.edu/tesfatsi/hbintlt.pdf PDF].</ref>
(2009), Classical Econophysics. Routledge, .</ref>
(2009) ，古典经济物理学。路特利奇，参考文献
==Overview==
The "[[Agent (economics)|agents]]" in ACE models can represent individuals (e.g. people), social groupings (e.g. firms), biological entities (e.g. growing crops), and/or physical systems (e.g. transport systems). The ACE modeler provides the initial configuration of a computational economic system comprising multiple interacting agents. The modeler then steps back to observe the development of the system over time without further intervention. In particular, system events should be driven by agent interactions without external imposition of equilibrium conditions.<ref>[http://www.socsci.aau.dk/ae2006/ Summary of methods] {{Webarchive|url=https://web.archive.org/web/20070526105550/http://www.socsci.aau.dk/ae2006/ |date=26 May 2007 }}: ''Department of Economics, Politics and Public Administration, Aalborg University, Denmark'' website.</ref> Issues include those common to [[experimental economics]] in general<ref>[[Vernon L. Smith]], 2008. "experimental economics," ''The New Palgrave Dictionary of Economics'', 2nd Edition. [http://www.dictionaryofeconomics.com/article?id=pde2008_E000277&q=experimental%20&topicid=&result_number=2 Abstract].</ref> and development of a common framework for empirical validation and resolving open questions in agent-based modeling.<ref>Giorgio Fagiolo, Alessio Moneta, and Paul Windrum, 2007. "A Critical Guide to Empirical Validation of Agent-Based Models in Economics: Methodologies, Procedures, and Open Problems," ''Computational Economics'', 30, pp. [https://doi.org/10.1007%2Fs10614-007-9104-4 195]–226.</ref>
The "agents" in ACE models can represent individuals (e.g. people), social groupings (e.g. firms), biological entities (e.g. growing crops), and/or physical systems (e.g. transport systems). The ACE modeler provides the initial configuration of a computational economic system comprising multiple interacting agents. The modeler then steps back to observe the development of the system over time without further intervention. In particular, system events should be driven by agent interactions without external imposition of equilibrium conditions. Issues include those common to experimental economics in general and development of a common framework for empirical validation and resolving open questions in agent-based modeling.
Ace 模型中的“代理人”可以代表个体(例如:。人)、社会群体(例如:。公司)、生物实体(例如:。)及 / 或物理系统(例如:。运输系统)。Ace 模型提供了由多个相互作用的代理组成的计算经济系统的初始配置。然后，建模人员返回来观察系统随着时间的推移而发展的情况，而不需要进一步的干预。特别是，系统事件应该由主体间的相互作用来驱动，而不需要外部强加的平衡条件。这些问题包括实验经济学通用的问题，以及开发一个用于经验验证的通用框架和解决基于主体的建模中尚未解决的问题。
ACE is an officially designated special interest group (SIG) of the Society for Computational Economics.<ref>[http://comp-econ.org/ Society for Computational Economics] website.</ref> Researchers at the [[Santa Fe Institute]] have contributed to the development of ACE.
ACE is an officially designated special interest group (SIG) of the Society for Computational Economics. Researchers at the Santa Fe Institute have contributed to the development of ACE.
Ace 是美国计算经济学学会的一个官方指定的特殊利益集团。圣菲研究所的研究人员为 ACE 的发展做出了贡献。
==Example: finance==
One area where ACE methodology has frequently been applied is asset pricing. [[W. Brian Arthur]], Eric Baum, [[William A. Brock (economist)|William Brock]], Cars Hommes, and Blake LeBaron, among others, have developed computational models in which many agents choose from a set of possible forecasting strategies in order to predict stock prices, which affects their asset demands and thus affects stock prices. These models assume that agents are more likely to choose forecasting strategies which have recently been successful. The success of any strategy will depend on market conditions and also on the set of strategies that are currently being used. These models frequently find that large booms and busts in asset prices may occur as agents switch across forecasting strategies.<ref name=arthuretal/><ref>W. Brock and C. Hommes (1997), 'A rational route to randomness.' ''Econometrica'' 65 (5), pp. 1059-1095.</ref><ref>C. Hommes (2008), 'Interacting agents in finance,' in ''The New Palgrave Dictionary of Economics''.</ref> More recently, Brock, Hommes, and Wagener (2009) have used a model of this type to argue that the introduction of new hedging instruments may destabilize the market,<ref>{{cite journal |first=W. |last=Brock |first2=C. |last2=Hommes |first3=F. |last3=Wagener |year=2009 |title=More hedging instruments may destabilize markets |journal=Journal of Economic Dynamics and Control |volume=33 |issue=11 |pages=1912–1928 |doi=10.1016/j.jedc.2009.05.004 |url=http://cendef.uva.nl/binaries/content/assets/subsites/amsterdam-school-of-economics/amsterdam-school-of-economics-research-institute/cendef/working-papers-2006/brohomwag.pdf?1417181713282 }}</ref> and some papers have suggested that ACE might be a useful methodology for understanding the recent [[financial crisis]].<ref>M. Buchanan (2009), '[http://pagesperso-orange.fr/mark.buchanan/nature_economic_modelling.pdf Meltdown modelling. Could agent-based computer models prevent another financial crisis?].' Nature, Vol. 460, No. 7256. (5 August 2009), pp. 680-682.</ref><ref>J.D. Farmer, D. Foley (2009), 'The economy needs agent-based modelling.' Nature, Vol. 460, No. 7256. (5 August 2009), pp. 685-686.</ref><ref>M. Holcombe, S. Coakley, M.Kiran, S. Chin, C. Greenough, D.Worth, S.Cincotti, M.Raberto, A. Teglio, C. Deissenberg, S. van der Hoog, H. Dawid, S. Gemkow, P. Harting, M. Neugart. Large-scale Modeling of Economic Systems, Complex Systems, 22(2), 175-191, 2013</ref>
One area where ACE methodology has frequently been applied is asset pricing. W. Brian Arthur, Eric Baum, William Brock, Cars Hommes, and Blake LeBaron, among others, have developed computational models in which many agents choose from a set of possible forecasting strategies in order to predict stock prices, which affects their asset demands and thus affects stock prices. These models assume that agents are more likely to choose forecasting strategies which have recently been successful. The success of any strategy will depend on market conditions and also on the set of strategies that are currently being used. These models frequently find that large booms and busts in asset prices may occur as agents switch across forecasting strategies. More recently, Brock, Hommes, and Wagener (2009) have used a model of this type to argue that the introduction of new hedging instruments may destabilize the market, and some papers have suggested that ACE might be a useful methodology for understanding the recent financial crisis.
Ace 方法经常应用的一个领域是资产定价。布莱恩 · 阿瑟，埃里克 · 鲍姆，威廉 · 布洛克，汽车人，布莱克 · 勒巴伦，等等，已经开发出计算模型，其中许多代理人选择从一组可能的预测策略，以预测股票价格，这影响了他们的资产需求，从而影响股票价格。这些模型假设代理人更有可能选择最近成功的预测策略。任何战略的成功将取决于市场条件，也取决于目前正在使用的一套战略。这些模型经常发现，随着经纪人转换预测策略，资产价格可能会出现大起大落。最近，Brock、 Hommes 和 Wagener (2009)使用了这类模型，认为引入新的对冲工具可能会破坏市场稳定，一些论文提出，ACE 可能是理解最近金融危机的有用方法。
==See also==
* [[ACEGES]]
* [[Agent-based social simulation]]
* [[Artificial economics]]
* [[Computational economics]]
* [[Econophysics]]
* [[Macroeconomic model]]
* [[Multi-agent system]]
* [[Statistical finance]]
==References==
{{Reflist}}
[[Category:Computational economics]]
Category:Computational economics
类别: 计算经济学
[[Category:Monte Carlo methods in finance]]
Category:Monte Carlo methods in finance
类别: 金融中的蒙特卡罗方法
[[Category:Computational fields of study]]
Category:Computational fields of study
类别: 研究的计算领域
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<small>This page was moved from [[wikipedia:en:Agent-based computational economics]]. Its edit history can be viewed at [[基于主体的计算经济学/edithistory]]</small></noinclude>
[[Category:待整理页面]]
{{Use dmy dates|date=February 2020}}
'''Agent-based computational economics''' ('''ACE''') is the area of [[computational economics]] that studies economic processes, including whole [[economy|economies]], as [[dynamic system]]s of interacting [[Agent (economics)|agents]]. As such, it falls in the [[paradigm]] of [[complex adaptive system]]s.<ref>• [[W. Brian Arthur]], 1994. "[https://ocw.tudelft.nl/wp-content/uploads/ElFarolArtur1994.pdf Inductive Reasoning and Bounded Rationality]," ''American Economic Review'', 84(2), pp. [http://www-personal.umich.edu/~samoore/bit885f2011/arthur-inductive.pdf 406-411] {{Webarchive|url=https://web.archive.org/web/20130521145936/http://www-personal.umich.edu/~samoore/bit885f2011/arthur-inductive.pdf |date=21 May 2013 }}.<br/> • [[Leigh Tesfatsion]], 2003. "Agent-based Computational Economics: Modeling Economies as Complex Adaptive Systems," ''Information Sciences'', 149(4), pp. [http://copper.math.buffalo.edu/urgewiki/uploads/Literature/Tesfatsion2002.pdf 262-268] {{webarchive|url=https://web.archive.org/web/20120426000037/http://copper.math.buffalo.edu/urgewiki/uploads/Literature/Tesfatsion2002.pdf |date=26 April 2012 }}.</ref> In corresponding [[agent-based model]]s, the "[[agent (economics)|agents]]" are "computational objects modeled as interacting according to rules" over space and time, not real people. The rules are formulated to model behavior and social interactions based on incentives and information.<ref>Scott E. Page (2008). "agent-based models," ''[[The New Palgrave Dictionary of Economics]]'', 2nd Edition. [http://www.dictionaryofeconomics.com/article?id=pde2008_A000218&edition=current&q=agent-based%20computational%20modeling&topicid=&result_number=1 Abstract].</ref> Such rules could also be the result of optimization, realized through use of AI methods (such as [[Q-learning]] and other reinforcement learning techniques).<ref>Richard S. Sutton and Andrew G. Barto, Reinforcement Learning: An Introduction, The MIT Press, Cambridge, MA, 1998 [http://www.cs.ualberta.ca/~sutton/book/ebook/the-book.html] {{Webarchive|url=https://web.archive.org/web/20090904194934/http://www.cs.ualberta.ca/~sutton/book/ebook/the-book.html |date=4 September 2009 }}</ref>
Agent-based computational economics (ACE) is the area of computational economics that studies economic processes, including whole economies, as dynamic systems of interacting agents. As such, it falls in the paradigm of complex adaptive systems. In corresponding agent-based models, the "agents" are "computational objects modeled as interacting according to rules" over space and time, not real people. The rules are formulated to model behavior and social interactions based on incentives and information. Such rules could also be the result of optimization, realized through use of AI methods (such as Q-learning and other reinforcement learning techniques).
基于代理的计算经济学研究是计算经济学的一个领域，研究经济过程，包括整个经济，作为动态系统的相互作用的代理。因此，它属于复杂适应系统的范式。在相应的基于主体的模型中，“主体”是“根据规则建模的交互计算对象” ，在空间和时间上，而不是真实的人。这些规则是为了建立基于激励和信息的行为和社会互动模型而制定的。这些规则也可能是优化的结果，通过人工智能方法(如 q 学习和其他强化学习技术)来实现。
The theoretical assumption of [[mathematical optimization]] by agents in [[equilibrium (economics)|equilibrium]] is replaced by the less restrictive postulate of agents with [[bounded rationality]] ''adapting'' to market forces.<ref>• [[John H. Holland]] and John H. Miller (1991). "Artificial Adaptive Agents in Economic Theory," ''American Economic Review'', 81(2), pp. [http://www.santafe.edu/media/workingpapers/91-05-025.pdf 365-370] {{Webarchive|url=https://web.archive.org/web/20110105015853/http://www.santafe.edu/media/workingpapers/91-05-025.pdf |date=5 January 2011 }} p. 366.<br/> • [[Thomas C. Schelling]] (1978 [2006]). ''Micromotives and Macrobehavior'', Norton. [http://books.wwnorton.com/books/978-0-393-32946-9/ Description] {{Webarchive|url=https://web.archive.org/web/20171102093240/http://books.wwnorton.com/books/978-0-393-32946-9/ |date=2 November 2017 }}, [https://books.google.com/books?id=DenWKRgqzWMC&printsec=find&pg=PA1=#v=onepage&q&f=false preview].<br/> •
The theoretical assumption of mathematical optimization by agents in equilibrium is replaced by the less restrictive postulate of agents with bounded rationality adapting to market forces. • Thomas C. Schelling (1978 [2006]). Micromotives and Macrobehavior, Norton. [http://books.wwnorton.com/books/978-0-393-32946-9/ Description] , [https://books.google.com/books?id=DenWKRgqzWMC&printsec=find&pg=PA1=#v=onepage&q&f=false preview].<br/> •
代理人均衡的最优化假设被代理人适应市场力量的限制较少的假设所取代。 •托马斯 · c · 谢林(Thomas c. Schelling，1978[2006])。微动机和宏行为，诺顿。[ http://books.wwnorton.com/books/978-0-393-32946-9/ 描述] ，[ https://books.google.com/books?id=denwkrgqzwmc&printsec=find&pg=pa1=#v=onepage&q&f=false 预览] . br / •
[[Thomas J. Sargent]], 1994. ''Bounded Rationality in Macroeconomics'', Oxford. [http://www.oup.com/us/catalog/general/subject/Economics/MacroeconomicTheory/?view=usa&ci=9780198288695 Description] and chapter-preview 1st-page [https://www.questia.com/library/book/bounded-rationality-in-macroeconomics-thomas-j-sargent-by-thomas-j-sargent.jsp links.]</ref> ACE models apply [[numerical methods]] of analysis to [[Computer simulation|computer-based simulations]] of complex dynamic problems for which more conventional methods, such as theorem formulation, may not find ready use.<ref>• Kenneth L. Judd, 2006. "Computationally Intensive Analyses in Economics," ''Handbook of Computational Economics'', v. 2, ch. 17, Introduction, p. 883. [Pp. [https://books.google.com/books?id=6ITfRkNmKQcC&pg=PA881 881-] 893. Pre-pub [http://www2.econ.iastate.edu/tesfatsi/Judd.finalrev.pdf PDF].
Thomas J. Sargent, 1994. Bounded Rationality in Macroeconomics, Oxford. [http://www.oup.com/us/catalog/general/subject/Economics/MacroeconomicTheory/?view=usa&ci=9780198288695 Description] and chapter-preview 1st-page [https://www.questia.com/library/book/bounded-rationality-in-macroeconomics-thomas-j-sargent-by-thomas-j-sargent.jsp links.]</ref> ACE models apply numerical methods of analysis to computer-based simulations of complex dynamic problems for which more conventional methods, such as theorem formulation, may not find ready use.<ref>• Kenneth L. Judd, 2006. "Computationally Intensive Analyses in Economics," Handbook of Computational Economics, v. 2, ch. 17, Introduction, p. 883. [Pp. [https://books.google.com/books?id=6ITfRkNmKQcC&pg=PA881 881-] 893. Pre-pub [http://www2.econ.iastate.edu/tesfatsi/Judd.finalrev.pdf PDF].
托马斯·萨金特，1994年。牛津大学宏观经济学有限理性。[ http://www.oup.com/us/catalog/general/subject/economics/macroeconomictheory/?view=usa&ci=9780198288695说明]和第一章预览页面[ https://www.questia.com/library/book/bounded-rationality-in-macroeconomics-thomas-j-sargent-by-thomas-j-sargent.jsp 链接]。] / ref ACE 模型将数值分析方法应用于基于计算机的复杂动力学问题的模拟，对于这些问题，更多的传统方法，如定理公式，可能找不到现成的用途。 文献• Kenneth l. Judd，2006。《经济学中的计算密集分析》 ，《计算经济学手册，第2卷，第5页。17，Introduction，p. 883.[ Pp.Https://books.google.com/books?id=6itfrknmkqcc&pg=pa881881-893.预订酒吧[ http://www2.econ.iastate.edu/tesfatsi/judd.finalrev.PDF PDF ]。
<br/> • _____, 1998. ''Numerical Methods in Economics'', MIT Press. Links to [http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=3257 description] {{webarchive|url=https://web.archive.org/web/20120211061602/http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=3257 |date=11 February 2012 }} and [https://books.google.com/books?id=9Wxk_z9HskAC&pg=PR7 chapter previews].</ref> Starting from initial conditions specified by the modeler, the computational economy evolves over time as its constituent agents repeatedly interact with each other, including learning from interactions. In these respects, ACE has been characterized as a bottom-up culture-dish approach to the study of [[economic systems]].<ref>• Leigh Tesfatsion (2002). "Agent-Based Computational Economics: Growing Economies from the Bottom Up," ''Artificial Life'', 8(1), pp.55-82. [http://www.mitpressjournals.org/doi/abs/10.1162/106454602753694765 Abstract] and pre-pub [http://www.econ.brown.edu/fac/Peter_Howitt/SummerSchool/Agent.pdf PDF] {{webarchive|url=https://web.archive.org/web/20130514143904/http://www.econ.brown.edu/fac/Peter_Howitt/SummerSchool/Agent.pdf |date=14 May 2013 }}.<br/> • _____ (1997). "How Economists Can Get Alife," in W. B. Arthur, S. Durlauf, and D. Lane, eds., ''The Economy as an Evolving Complex System, II'', pp. 533-564. Addison-Wesley. Pre-pub [http://ageconsearch.umn.edu/bitstream/18196/1/er37.pdf PDF].</ref>
<br/> • _____, 1998. Numerical Methods in Economics, MIT Press. Links to [http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=3257 description] and [https://books.google.com/books?id=9Wxk_z9HskAC&pg=PR7 chapter previews].</ref> Starting from initial conditions specified by the modeler, the computational economy evolves over time as its constituent agents repeatedly interact with each other, including learning from interactions. In these respects, ACE has been characterized as a bottom-up culture-dish approach to the study of economic systems.
<br/> • _____, 1998.经济学数值方法，麻省理工学院出版社。链接到[ http://mitpress.mit.edu/catalog/item/default.asp?ttype=2&tid=3257说明]和[ https://books.google.com/books?id=9wxk_z9hskac&pg=pr7章预览]。 从建模者指定的初始条件开始，计算经济随着时间的推移而发展，其组成代理不断地相互交互，包括从交互中学习。在这些方面，ACE 被认为是研究经济体系的一种自下而上的文化方法。
ACE has a similarity to, and overlap with, [[game theory]] as an agent-based method for modeling social interactions.<ref name="COMP>">• [[Joseph Y. Halpern]] (2008). "computer science and game theory," ''The New Palgrave Dictionary of Economics'', 2nd Edition. [http://www.dictionaryofeconomics.com/article?id=pde2008_C000566&edition=current&q=&topicid=&result_number=1 Abstract].<br/> • Yoav Shoham (2008). "Computer Science and Game Theory," ''Communications of the ACM'', 51(8), pp.
ACE has a similarity to, and overlap with, game theory as an agent-based method for modeling social interactions. • Yoav Shoham (2008). "Computer Science and Game Theory," Communications of the ACM, 51(8), pp.
Ace 与博弈论有相似之处，并且与博弈论有重叠，博弈论是一种基于 agent 的社会互动建模方法。 • Yoav Shoham (2008)。《计算机科学与博弈论》 ，美国计算机学会通讯，51(8)页。
[http://www.robotics.stanford.edu/~shoham/www%20papers/CSGT-CACM-Shoham.pdf 75-79] {{Webarchive|url=https://web.archive.org/web/20120426005917/http://www.robotics.stanford.edu/~shoham/www%20papers/CSGT-CACM-Shoham.pdf |date=26 April 2012 }}.<br/> • [[Alvin E. Roth]] (2002). "The Economist as Engineer: Game Theory, Experimentation, and Computation as Tools for Design Economics," ''Econometrica'', 70(4), pp. [https://web.archive.org/web/20040414102216/http://kuznets.fas.harvard.edu/~aroth/papers/engineer.pdf 1341–1378].</ref> But practitioners have also noted differences from standard methods, for example in ACE events modeled being driven solely by initial conditions, whether or not equilibria exist or are computationally tractable, and in the modeling facilitation of agent autonomy and learning.<ref>Tesfatsion, Leigh (2006), "Agent-Based Computational Economics: A Constructive Approach to Economic Theory," ch. 16, ''Handbook of Computational Economics'', v. 2, part 2, ACE study of economic system. [http://www.sciencedirect.com/science/article/pii/S1574002105020162 Abstract] and pre-pub [http://econ2.econ.iastate.edu/tesfatsi/hbintlt.pdf PDF].</ref>
[http://www.robotics.stanford.edu/~shoham/www%20papers/CSGT-CACM-Shoham.pdf 75-79] .<br/> • Alvin E. Roth (2002). "The Economist as Engineer: Game Theory, Experimentation, and Computation as Tools for Design Economics," Econometrica, 70(4), pp. [https://web.archive.org/web/20040414102216/http://kuznets.fas.harvard.edu/~aroth/papers/engineer.pdf 1341–1378].</ref> But practitioners have also noted differences from standard methods, for example in ACE events modeled being driven solely by initial conditions, whether or not equilibria exist or are computationally tractable, and in the modeling facilitation of agent autonomy and learning.
[http://www.robotics.stanford.edu/~shoham/www%20papers/CSGT-CACM-Shoham.pdf 75-79] .<br/> • Alvin E. Roth (2002).《作为工程师的经济学家: 博弈论、实验和计算作为设计经济学的工具》 ，《经济学》 ，70(4) ，页。[ https://web.archive.org/web/20040414102216/http://kuznets.fas.harvard.edu/~aroth/papers/engineer.pdf 1341-1378]. 但是，实践者也注意到了与标准方法的区别，例如，在模型化的 ACE 事件中，完全由初始条件驱动，无论均衡是否存在，或者是否在计算上易于处理，以及在促进 agent 自主性和学习的建模方面。
The method has benefited from continuing improvements in modeling techniques of [[computer science]] and increased computer capabilities. The ultimate scientific objective of the method is to "test theoretical findings against real-world data in ways that permit empirically supported theories to cumulate over time, with each researcher’s work building appropriately on the work that has gone before."<ref>• Leigh Tesfatsion (2006). "Agent-Based Computational Economics: A Constructive Approach to Economic Theory," ch. 16, ''Handbook of Computational Economics'', v. 2, [pp. 831-880] sect. 5. [http://www.sciencedirect.com/science/article/pii/S1574002105020162 Abstract] and pre-pub [http://econ2.econ.iastate.edu/tesfatsi/hbintlt.pdf PDF].<br/> • [[Kenneth L. Judd]] (2006). "Computationally Intensive Analyses in Economics," ''Handbook of Computational Economics'', v. 2, ch. 17, pp. [https://books.google.com/books?id=6ITfRkNmKQcC&pg=PA881 881-] 893. Pre-pub [http://www2.econ.iastate.edu/tesfatsi/Judd.finalrev.pdf PDF].<br/> • Leigh Tesfatsion and Kenneth L. Judd, ed. (2006). ''Handbook of Computational Economics'', v. 2. [http://www.elsevier.com/wps/find/bookdescription.cws_home/660847/description#description Description] {{Webarchive|url=https://web.archive.org/web/20120306100156/http://www.elsevier.com/wps/find/bookdescription.cws_home/660847/description#description |date=6 March 2012 }} & and chapter-preview
The method has benefited from continuing improvements in modeling techniques of computer science and increased computer capabilities. The ultimate scientific objective of the method is to "test theoretical findings against real-world data in ways that permit empirically supported theories to cumulate over time, with each researcher’s work building appropriately on the work that has gone before." • Kenneth L. Judd (2006). "Computationally Intensive Analyses in Economics," Handbook of Computational Economics, v. 2, ch. 17, pp. [https://books.google.com/books?id=6ITfRkNmKQcC&pg=PA881 881-] 893. Pre-pub [http://www2.econ.iastate.edu/tesfatsi/Judd.finalrev.pdf PDF].<br/> • Leigh Tesfatsion and Kenneth L. Judd, ed. (2006). Handbook of Computational Economics, v. 2. [http://www.elsevier.com/wps/find/bookdescription.cws_home/660847/description#description Description] & and chapter-preview
这种方法得益于计算机科学建模技术的不断改进和计算机能力的提高。这种方法的最终科学目标是”用实际数据来检验理论发现，方法是允许经验支持的理论随着时间的推移而累积，每个研究人员的工作在以前工作的基础上进行适当的建设。”• Kenneth l. Judd (2006)。《经济学中的计算密集分析》 ，计算经济学手册，第2卷，第5页。17页。Https://books.google.com/books?id=6itfrknmkqcc&pg=pa881881-893.Pre-pub [http://www2.econ.iastate.edu/tesfatsi/Judd.finalrev.pdf PDF].<br/> • Leigh Tesfatsion and Kenneth L. Judd, ed.(2006).计算经济学手册第2节。[ http://www.elsevier.com/wps/find/bookdescription.cws_home/660847/Description#Description 说明]和章节预览
[http://www.sciencedirect.com/science?_ob=PublicationURL&_hubEid=1-s2.0-S1574002105X02003&_cid=273377&_pubType=HS&_auth=y&_acct=C000228598&_version=1&_urlVersion=0&_userid=10&md5=e4757b4f65755ed6340a11fee9615200 links.]</ref> The subject has been applied to research areas like [[asset pricing]],<ref name=arthuretal>B. Arthur, J. Holland, B. LeBaron, R. Palmer, P. Taylor (1997), 'Asset pricing under endogenous expectations in an artificial stock market,' in ''The Economy as an Evolving Complex System II'', B. Arthur, S. Durlauf, and D. Lane, eds., Addison Wesley.</ref> [[competition]] and [[collaboration]],<ref>[[Robert Axelrod]] (1997). ''The Complexity of Cooperation: Agent-Based Models of Competition and Collaboration'', Princeton. [http://press.princeton.edu/titles/6144.html Description], [http://press.princeton.edu/titles/6144.html#TOC contents], and [https://books.google.com/books?id=J0dgRGMdjmQC&printsec=find&pg=PR11#v=onepage&q&f=false preview].</ref> [[transaction cost]]s,<ref>Tomas B. Klosa and [[Bart Nooteboom]], 2001. "Agent-based Computational Transaction Cost Economics," ''Journal of Economic Dynamics and Control'' 25(3–4), pp. 503–52. [http://www.sciencedirect.com/science/article/pii/S0165188900000348 Abstract.]</ref> [[market structure]] and [[industrial organization]] and dynamics,<ref>• Roberto Leombruni and Matteo Richiardi, ed. (2004), ''Industry and Labor Dynamics: The Agent-Based Computational Economics Approach.'' World Scientific Publishing {{ISBN|981-256-100-5}}. [http://www.worldscibooks.com/economics/5706.html Description] {{Webarchive|url=https://web.archive.org/web/20100727221149/http://www.worldscibooks.com/economics/5706.html |date=27 July 2010 }} and chapter-preview [https://books.google.com/books?id=P5O7A5D55nQC&printsec=fond&pg=PR5#v=onepage&q&f=false links].<br/> • [[Joshua M. Epstein]] (2006). "Growing Adaptive Organizations: An Agent-Based Computational Approach," in ''Generative Social Science: Studies in Agent-Based Computational Modeling'', pp. [https://books.google.com/books?id=543OS3qdxBYC&pg=PA309 309-] 344. [http://press.princeton.edu/titles/8277.html Description] {{Webarchive|url=https://web.archive.org/web/20120126180655/http://press.princeton.edu/titles/8277.html |date=26 January 2012 }} and [http://www.santafe.edu/research/working-papers/abstract/99895b6465e8b87656612f8e3570b34c/ abstract].</ref> [[welfare economics]],<ref>[[Robert Axtell]] (2005). "The Complexity of Exchange," ''Economic Journal'', 115(504, Features), pp. [http://econfaculty.gmu.edu/pboettke/workshop/archives/f05/Axtell.pdf F193-F210].</ref> and [[mechanism design]],<ref>• ''The New Palgrave Dictionary of Economics'' (2008), 2nd Edition: <br/> [[Roger B. Myerson]] "mechanism design." [http://www.dictionaryofeconomics.com/article?id=pde2008_M000132&edition=current&q=mechanism%20design&topicid=&result_number=3 Abstract.] <br/> _____. "revelation principle." [http://www.dictionaryofeconomics.com/article?id=pde2008_R000137&edition=current&q=moral&topicid=&result_number=1 Abstract.]<br/> Tuomas Sandholm. "computing in mechanism design." [http://www.dictionaryofeconomics.com/article?id=pde2008_C000563&edition=&field=keyword&q=algorithmic%20mechanism%20design&topicid=&result_number=1 Abstract.]<br/> • [[Noam Nisan]] and Amir Ronen (2001). "Algorithmic Mechanism Design," ''Games and Economic Behavior'', 35(1-2), pp. [https://www.cs.cmu.edu/~sandholm/cs15-892F09/Algorithmic%20mechanism%20design.pdf 166–196].<br/> • [[Noam Nisan]] ''et al''., ed. (2007). ''Algorithmic Game Theory'', Cambridge University Press. [http://www.cup.cam.ac.uk/asia/catalogue/catalogue.asp?isbn=9780521872829 Description] {{Webarchive|url=https://web.archive.org/web/20120505140924/http://www.cup.cam.ac.uk/asia/catalogue/catalogue.asp?isbn=9780521872829 |date=5 May 2012 }}.</ref> [[Information economics|information and uncertainty]],<ref>Tuomas W. Sandholm and Victor R. Lesser (2001). "Leveled Commitment Contracts and Strategic Breach," ''Games and Economic Behavior'', 35(1-2), pp. [https://www.cs.cmu.edu/afs/.cs.cmu.edu/Web/People/sandholm/leveled.geb.pdf 212-270].</ref> [[macroeconomics]],<ref>• [[David Colander]], [[Peter Howitt]], Alan Kirman, [[Axel Leijonhufvud]], and [[Perry Mehrling]], 2008. "Beyond DSGE Models: Toward an Empirically Based Macroeconomics," ''American Economic Review'', 98(2), pp. [https://www.jstor.org/pss/29730026 236]-240. Pre-pub [http://www.brown.edu/Departments/Economics/Faculty/Peter_Howitt/publication/complex%20macro6.pdf PDF].<br/> • [[Thomas J. Sargent]] (1994). ''Bounded Rationality in Macroeconomics'', Oxford. [http://www.oup.com/us/catalog/general/subject/Economics/MacroeconomicTheory/?view=usa&ci=9780198288695 Description] and chapter-preview 1st-page [https://www.questia.com/library/book/bounded-rationality-in-macroeconomics-thomas-j-sargent-by-thomas-j-sargent.jsp links].<br/> • M. Oeffner (2009). '[http://www.opus-bayern.de/uni-wuerzburg/volltexte/2009/3927/pdf/OeffnerDissohneAnhang.pdf Agent-based Keynesian Macroeconomics]'. PhD thesis, Faculty of Economics, University of Würzburg.</ref> and [[Marxist economics]].<ref>A. F. Cottrell, P. Cockshott, G. J. Michaelson, I. P. Wright, V. Yakovenko
[http://www.sciencedirect.com/science?_ob=PublicationURL&_hubEid=1-s2.0-S1574002105X02003&_cid=273377&_pubType=HS&_auth=y&_acct=C000228598&_version=1&_urlVersion=0&_userid=10&md5=e4757b4f65755ed6340a11fee9615200 links.]</ref> The subject has been applied to research areas like asset pricing, competition and collaboration, transaction costs, market structure and industrial organization and dynamics, welfare economics, and mechanism design, information and uncertainty, macroeconomics, and Marxist economics.<ref>A. F. Cottrell, P. Cockshott, G. J. Michaelson, I. P. Wright, V. Yakovenko
[ http://www.sciencedirect.com/science?_ob=publicationurl&_hubeid=1-s2.0-s1574002105x02003&_cid=273377&_pubtype=hs&_auth=y&_acct=c000228598&_version=1&_urlversion=0&_userid=10&md5=e4757b4f65755ed6340a11fee9615200连结。参考文献这个主题已经应用于研究领域，如资产定价、竞争与合作、交易成本、市场结构与产业组织与动态、福利经济学、机制设计、信息与不确定性、宏观经济学和马克思主义政治经济学。 参考文献 a。科特雷尔，p. Cockshott，g. j. Michaelson，i. p. Wright，v. Yakovenko
(2009), ''Classical Econophysics''. Routledge, {{ISBN|978-0-415-47848-9}}.</ref><ref>Leigh Tesfatsion (2006), "Agent-Based Computational Economics: A Constructive Approach to Economic Theory," ch. 16, ''Handbook of Computational Economics'', v. 2, part 2, ACE study of economic system. [http://www.sciencedirect.com/science/article/pii/S1574002105020162 Abstract] and pre-pub [http://econ2.econ.iastate.edu/tesfatsi/hbintlt.pdf PDF].</ref>
(2009), Classical Econophysics. Routledge, .</ref>
(2009) ，古典经济物理学。路特利奇，参考文献
==Overview==
The "[[Agent (economics)|agents]]" in ACE models can represent individuals (e.g. people), social groupings (e.g. firms), biological entities (e.g. growing crops), and/or physical systems (e.g. transport systems). The ACE modeler provides the initial configuration of a computational economic system comprising multiple interacting agents. The modeler then steps back to observe the development of the system over time without further intervention. In particular, system events should be driven by agent interactions without external imposition of equilibrium conditions.<ref>[http://www.socsci.aau.dk/ae2006/ Summary of methods] {{Webarchive|url=https://web.archive.org/web/20070526105550/http://www.socsci.aau.dk/ae2006/ |date=26 May 2007 }}: ''Department of Economics, Politics and Public Administration, Aalborg University, Denmark'' website.</ref> Issues include those common to [[experimental economics]] in general<ref>[[Vernon L. Smith]], 2008. "experimental economics," ''The New Palgrave Dictionary of Economics'', 2nd Edition. [http://www.dictionaryofeconomics.com/article?id=pde2008_E000277&q=experimental%20&topicid=&result_number=2 Abstract].</ref> and development of a common framework for empirical validation and resolving open questions in agent-based modeling.<ref>Giorgio Fagiolo, Alessio Moneta, and Paul Windrum, 2007. "A Critical Guide to Empirical Validation of Agent-Based Models in Economics: Methodologies, Procedures, and Open Problems," ''Computational Economics'', 30, pp. [https://doi.org/10.1007%2Fs10614-007-9104-4 195]–226.</ref>
The "agents" in ACE models can represent individuals (e.g. people), social groupings (e.g. firms), biological entities (e.g. growing crops), and/or physical systems (e.g. transport systems). The ACE modeler provides the initial configuration of a computational economic system comprising multiple interacting agents. The modeler then steps back to observe the development of the system over time without further intervention. In particular, system events should be driven by agent interactions without external imposition of equilibrium conditions. Issues include those common to experimental economics in general and development of a common framework for empirical validation and resolving open questions in agent-based modeling.
Ace 模型中的“代理人”可以代表个体(例如:。人)、社会群体(例如:。公司)、生物实体(例如:。)及 / 或物理系统(例如:。运输系统)。Ace 模型提供了由多个相互作用的代理组成的计算经济系统的初始配置。然后，建模人员返回来观察系统随着时间的推移而发展的情况，而不需要进一步的干预。特别是，系统事件应该由主体间的相互作用来驱动，而不需要外部强加的平衡条件。这些问题包括实验经济学通用的问题，以及开发一个用于经验验证的通用框架和解决基于主体的建模中尚未解决的问题。
ACE is an officially designated special interest group (SIG) of the Society for Computational Economics.<ref>[http://comp-econ.org/ Society for Computational Economics] website.</ref> Researchers at the [[Santa Fe Institute]] have contributed to the development of ACE.
ACE is an officially designated special interest group (SIG) of the Society for Computational Economics. Researchers at the Santa Fe Institute have contributed to the development of ACE.
Ace 是美国计算经济学学会的一个官方指定的特殊利益集团。圣菲研究所的研究人员为 ACE 的发展做出了贡献。
==Example: finance==
One area where ACE methodology has frequently been applied is asset pricing. [[W. Brian Arthur]], Eric Baum, [[William A. Brock (economist)|William Brock]], Cars Hommes, and Blake LeBaron, among others, have developed computational models in which many agents choose from a set of possible forecasting strategies in order to predict stock prices, which affects their asset demands and thus affects stock prices. These models assume that agents are more likely to choose forecasting strategies which have recently been successful. The success of any strategy will depend on market conditions and also on the set of strategies that are currently being used. These models frequently find that large booms and busts in asset prices may occur as agents switch across forecasting strategies.<ref name=arthuretal/><ref>W. Brock and C. Hommes (1997), 'A rational route to randomness.' ''Econometrica'' 65 (5), pp. 1059-1095.</ref><ref>C. Hommes (2008), 'Interacting agents in finance,' in ''The New Palgrave Dictionary of Economics''.</ref> More recently, Brock, Hommes, and Wagener (2009) have used a model of this type to argue that the introduction of new hedging instruments may destabilize the market,<ref>{{cite journal |first=W. |last=Brock |first2=C. |last2=Hommes |first3=F. |last3=Wagener |year=2009 |title=More hedging instruments may destabilize markets |journal=Journal of Economic Dynamics and Control |volume=33 |issue=11 |pages=1912–1928 |doi=10.1016/j.jedc.2009.05.004 |url=http://cendef.uva.nl/binaries/content/assets/subsites/amsterdam-school-of-economics/amsterdam-school-of-economics-research-institute/cendef/working-papers-2006/brohomwag.pdf?1417181713282 }}</ref> and some papers have suggested that ACE might be a useful methodology for understanding the recent [[financial crisis]].<ref>M. Buchanan (2009), '[http://pagesperso-orange.fr/mark.buchanan/nature_economic_modelling.pdf Meltdown modelling. Could agent-based computer models prevent another financial crisis?].' Nature, Vol. 460, No. 7256. (5 August 2009), pp. 680-682.</ref><ref>J.D. Farmer, D. Foley (2009), 'The economy needs agent-based modelling.' Nature, Vol. 460, No. 7256. (5 August 2009), pp. 685-686.</ref><ref>M. Holcombe, S. Coakley, M.Kiran, S. Chin, C. Greenough, D.Worth, S.Cincotti, M.Raberto, A. Teglio, C. Deissenberg, S. van der Hoog, H. Dawid, S. Gemkow, P. Harting, M. Neugart. Large-scale Modeling of Economic Systems, Complex Systems, 22(2), 175-191, 2013</ref>
One area where ACE methodology has frequently been applied is asset pricing. W. Brian Arthur, Eric Baum, William Brock, Cars Hommes, and Blake LeBaron, among others, have developed computational models in which many agents choose from a set of possible forecasting strategies in order to predict stock prices, which affects their asset demands and thus affects stock prices. These models assume that agents are more likely to choose forecasting strategies which have recently been successful. The success of any strategy will depend on market conditions and also on the set of strategies that are currently being used. These models frequently find that large booms and busts in asset prices may occur as agents switch across forecasting strategies. More recently, Brock, Hommes, and Wagener (2009) have used a model of this type to argue that the introduction of new hedging instruments may destabilize the market, and some papers have suggested that ACE might be a useful methodology for understanding the recent financial crisis.
Ace 方法经常应用的一个领域是资产定价。布莱恩 · 阿瑟，埃里克 · 鲍姆，威廉 · 布洛克，汽车人，布莱克 · 勒巴伦，等等，已经开发出计算模型，其中许多代理人选择从一组可能的预测策略，以预测股票价格，这影响了他们的资产需求，从而影响股票价格。这些模型假设代理人更有可能选择最近成功的预测策略。任何战略的成功将取决于市场条件，也取决于目前正在使用的一套战略。这些模型经常发现，随着经纪人转换预测策略，资产价格可能会出现大起大落。最近，Brock、 Hommes 和 Wagener (2009)使用了这类模型，认为引入新的对冲工具可能会破坏市场稳定，一些论文提出，ACE 可能是理解最近金融危机的有用方法。
==See also==
* [[ACEGES]]
* [[Agent-based social simulation]]
* [[Artificial economics]]
* [[Computational economics]]
* [[Econophysics]]
* [[Macroeconomic model]]
* [[Multi-agent system]]
* [[Statistical finance]]
==References==
{{Reflist}}
[[Category:Computational economics]]
Category:Computational economics
类别: 计算经济学
[[Category:Monte Carlo methods in finance]]
Category:Monte Carlo methods in finance
类别: 金融中的蒙特卡罗方法
[[Category:Computational fields of study]]
Category:Computational fields of study
类别: 研究的计算领域
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<small>This page was moved from [[wikipedia:en:Agent-based computational economics]]. Its edit history can be viewed at [[基于主体的计算经济学/edithistory]]</small></noinclude>
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