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An important recent advance in macroeconomics is the development of dynamic stochastic general equilibrium (DSGE) macromodels. The use of DSGE models to study monetary policy, however, has led to paradoxical and puzzling results on a number of central monetary issues including price determinacy and liquidity effects. In Money, Interest, and Policy, Jean-Pascal Benassy argues that moving from the standard DSGE models -- which he calls "Ricardian" because they have the famous "Ricardian equivalence" property--to another, "non-Ricardian" model would resolve many of these issues. A Ricardian model represents a household as a homogeneous family of infinitely lived individuals, and Benassy demonstrates that a single modification--the assumption that new agents are born over time (which makes the model non-Ricardian)--can bridge the current gap between monetary intuitions and facts, on one hand, and rigorous modeling, on the other. After comparing Ricardian and non-Ricardian models, Benassy introduces a model that synthesizes the two approaches, incorporating both infinite lives and the birth of new agents. Using this model, he considers a number of issues in monetary policy, including liquidity effects, interest rate rules and price determinacy, global determinacy, the Taylor principle, and the fiscal theory of the price level. Finally, using a simple overlapping generations model, he analyzes optimal monetary and fiscal policies, with a special emphasis on optimal interest rate rules.

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Book Details

ISBN: 9780262524933
ISBN-10: 0262524937
Format: Paperback
(229mm x 152mm x 14mm)
Pages: 216
Imprint: MIT Press
Publisher: MIT Press Ltd
Publish Date: 5-Sep-2008
Country of Publication: United States


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Author Biography - Jean-Pascal Benassy

Jean-Pascal Benassy is Director of Research at CNRS (National Center for Scientific Research), Paris, and a Research Fellow at CEPREMAP (Center for Economic Research and Applications). He is the author of The Macroeconomics of Imperfect Competition and Nonclearing Markets: A Dynamic General Equilibrium Approach (MIT Press, 2002).

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