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Agent-based computational economics (ACE) is the computational study of economies modeled as evolving systems of autonomous interacting agents. Thus, ACE is a specialization to economics of the basic complex adaptive systems paradigm. This paper outlines the main objectives and defining characteristics of the ACE methodology, and discusses several active research areas.  相似文献
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In April 2003 the U.S. Federal Energy Regulatory Commission proposed a complicated market design—the Wholesale Power Market Platform (WPMP)—for common adoption by all US wholesale power markets. Versions of the WPMP have been implemented in New England, New York, the mid-Atlantic states, the Midwest, the Southwest, and California. Strong opposition to the WPMP persists among some industry stakeholders, however, due largely to a perceived lack of adequate performance testing. This study reports on the model development and open-source implementation (in Java) of a computational wholesale power market organized in accordance with core WPMP features and operating over a realistically rendered transmission grid. The traders within this market model are strategic profit-seeking agents whose learning behaviors are based on data from human-subject experiments. Our key experimental focus is the complex interplay among structural conditions, market protocols, and learning behaviors in relation to short-term and longer-term market performance. Findings for a dynamic 5-node transmission grid test case are presented for concrete illustration. This article is an abridged version of Sun and Tesfatsion ST07a  相似文献
3.
Introduction     
A brief overview of agent-based computational economics (ACE) isgiven, followed by a synopsis of the articles included in thisspecial issue on ACE and in a companion special issue on ACEscheduled to appear in the Journal of Economic Dynamics andControl.  相似文献
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This paper presents a general C++ platform for the implementation of a trade network game (TNG) that combines evolutionary game play with preferential partner selection. In the TNG, successive generations of resource constrained traders choose and refuse trade partners on the basis of continually updated expected payoffs, engage in risky trades modelled as two-person games, and evolve their trade strategies over time. The modular design of the TNG platform facilitates experimentation with alternative specifications for market structure, trade partner matching, trading, expectation formation, and trade strategy evolution. The TNG platform can be used to study the evolutionary implications of these specifications at three different levels: individual trader attributes, trade network formation, and social welfare.  相似文献
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This paper reviews work on the development of a program Nasa for the automated comparative static analysis of parameterized nonlinear systems over parameter intervals. Nasa incorporates a fast and efficient algorithm Feed for the automatic evaluation of higher-order partial derivatives, as well as an adaptive homotopy continuation algorithm for obtaining all required initial conditions. Applications are envisioned for fields such as economics where models tend to be complex and closed-form solutions are difficult to obtain.  相似文献
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Optimal feedback-control laws generally cannot be obtained in closed form for stochastic control problems. The characterizations which have been obtained for several simplified problems have provided valuable insight into the properties of optimal feedback-control laws as well as providing guidance for the construction of suboptimal control laws. In this paper an analytical and computer simulated parameter-sensitivity study is presented for the optimal feedback-control law and dynamic-programming optimality equations associated with a discrete-time, finite-horizon, linear-quadratic control problem with random state coefficients. One interesting characteristic revealed by analysis is the existence of simple linear relationships between parameter sensitivities for the optimal feedback-control selections and for the corresponding cost-to-go expressions.  相似文献
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