E Pluribus Unum: Macroeconomic modelling for multi-agent economies
AbstractFrom the macroeconomist's viewpoint, agent based modelling has an obvious drawback: it makes impossible to think in aggregate terms. The modeller, in fact, can reconstruct aggregate variables only “from the bottom up” by summing the levels of a myriad of individual variables. We propose a modelling strategy which reduces the dimensionality of an agent based framework by replacing the actual distribution with the first and higher moments of the distribution itself. We put this strategy at work in a Macroeconomic and Agent Based Model (M&ABM) of the financial accelerator in which firms' heterogeneous degrees of financial robustness affect investment in a Greenwald-Stiglitz setting.
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Bibliographic InfoArticle provided by Elsevier in its journal Journal of Economic Dynamics and Control.
Volume (Year): 37 (2013)
Issue (Month): 8 ()
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Web page: http://www.elsevier.com/locate/jedc
Financial fragility; Heterogeneity; Stochastic aggregation; Business fluctuations;
Other versions of this item:
- Tiziana Assenza & Domenico Delli Gatti, 2012. "E Pluribus Unum: Macroeconomic Modelling for Multi-agent Economies," GREDEG Working Papers 2012-08, Groupe de REcherche en Droit, Economie, Gestion (GREDEG CNRS), University of Nice Sophia Antipolis.
- Assenza, T. & Delli Gatti, D., 2012. "E Pluribus Unum: Macroeconomic Modelling for Multi-agent Economies," CeNDEF Working Papers 12-08, Universiteit van Amsterdam, Center for Nonlinear Dynamics in Economics and Finance.
- E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
- E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
- E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
- E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
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