The Scientific Foundation of Dynamic Stochastic General Equilibrium (DSGE) Models

Paul De Grauwe

Chapter 17 in Exchange Rates and Global Financial Policies, 2014, pp 427-472 from World Scientific Publishing Co. Pte. Ltd.

Abstract: DSGE-models provide a coherent framework of analysis. This coherence is brought about by restricting acceptable behavior of agents to dynamic utility maximization and rational expectations. The problem of the DSGE-models (and more generally of macroeconomic models based on rational expectations) is that they assume extraordinary cognitive capabilities of individual agents. In addition, these models need a lot of ad-hoc assumptions to make them fit the data. I argue that we need models that take into account the limited cognitive abilities of agents. One can introduce rationality in such models by assuming “trial and error” learning. I propose such a model and I analyze its implications.

Keywords: Exchange Rate; Financial Policies; Turbulence; Exchange Market; Motenary Union; Macroeconomics; Economic Models; Behaviorial Economics; Monetary Integration; Euro; Financial Crisis; European Monetary Policy; Dynamic Stochastic General Equilibriumauthor (search for similar items in EconPapers)
Date: 2014
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