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Macroeconomic Policy in DSGE and Agent-Based Models

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  • Giorgio Fagiolo

    () (Sant'Anna School of Advanced Studies, Pisa)

  • Andrea Roventini

    () (Department of Economics (University of Verona))

Abstract

The Great Recession seems to be a natural experiment for macroeconomics showing the inadequacy of the predominant theoretical framework — the New Neoclassical Synthesis — grounded on the DSGE model. In this paper, we present a critical discussion of the theoretical, empirical and political-economy pitfalls of the DSGE-based approach to policy analysis. We suggest that a more fruitful research avenue to pursue is to explore alternative theoretical paradigms, which can escape the strong theoretical requirements of neoclassical models (e.g., equilibrium, rationality, representative agent, etc.). We briefly introduce one of the most successful alternative research projects – known in the literature as agent-based computational economics (ACE) – and we present the way it has been applied to policy analysis issues. We then provide a survey of agent-based models addressing macroeconomic policy issues. Finally, we conclude by discussing the methodological status of ACE, as well as the (many) problems it raises.

Suggested Citation

  • Giorgio Fagiolo & Andrea Roventini, 2012. "Macroeconomic Policy in DSGE and Agent-Based Models," Working Papers 07/2012, University of Verona, Department of Economics.
  • Handle: RePEc:ver:wpaper:07/2012
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    Keywords

    Economic Policy; Monetary and Fiscal Policies; New Neoclassical Synthesis; New Keynesian Models; DSGE Models; Agent-Based Computational Economics; Agent- Based Models; Great Recession; Crisis;

    JEL classification:

    • B41 - Schools of Economic Thought and Methodology - - Economic Methodology - - - Economic Methodology
    • B50 - Schools of Economic Thought and Methodology - - Current Heterodox Approaches - - - General
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy

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