Econometrics

Download Artificial Markets Modeling by Consiglio A. (ed.) PDF

By Consiglio A. (ed.)

Agent-based computational modeling with its intrinsic multidisciplinary strategy is gaining expanding popularity within the social sciences, fairly in economics, company and finance. The technique is now conventional to compute analytical types numerically and try out them for departures from theoretical assumptions, and to supply stand-alone simulation types for difficulties which are analytically intractable.This quantity is dedicated to contemporary contributions to the sphere from either the social sciences and computing device sciences. It offers functions of agent-based computational methodologies and instruments within the social sciences, focusing strongly at the makes use of, necessities and constraints of agent-based versions hired by way of social scientists. themes comprise agent-based macroeconomics, the emergence of norms and conventions, the dynamics of social and fiscal networks, and behavioral types in monetary markets.

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50 Julien Derveeuw et al. 4) u|pu ≥p gt+1 (p) = v|pv ≥p Though this model is more realistic than the previous ones, it still lacks an essential feature of real markets microstructure: the asynchronism of transactions. Toy model of an asynchronous double auction In order to get a more realistic time handling process in artificial markets, some researchers proposed models in which transactions take place asynchronously. This is the case of the toy model proposed in Bak et al. (1996). In this model, there are only N2 stocks on the market, where N is the number of agents.

Marchesi. Agent-based simulation of a financial market. Physica A, 299:320–328, 2001. M. Raberto, S. M. Focardi, and M. Marchesi. Traders’ long-run wealth in an artificial financial market. Computational Economics, 22:255–272, 2003. M. Raberto, S. Cincotti, C. M. Focardi, and M. Marchesi. Price formation in an artificial market: limit order book versus matching of supply and demand. Nonlinear Dynamics and Heterogenous Interacting Agents, 2005. , the management of financial portfolios using chartism or moving average indicators for instance) generally focuses on single “signals” giving the opportunity to buy or sell a financial commodity frequently a well diversified portfolio (see the extensive survey of Park and Irwin, 2004).

This architecture is composed of four independent parts: a model for the external world, another for agents behaviors, one for the market structure and a last for time handling. We have shown that most of existing market models can fit in this architecture, so it can therefore be considered as a description formalism of artificial stock markets. g. with the same agents) and to draw strong conclusions from these experiments, which was not the case before. However, some of the effects of our generic model still needs 60 Julien Derveeuw et al.

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