Monetary policy, rule-of-thumb consumers and external habits: a G7 comparison

Giovanni Di Bartolomeo (), Lorenza Rossi and Massimiliano Tancioni ()

Applied Economics, 2011, vol. 43, issue 21, 2721-2738

Abstract: This article extends the standard New Keynesian Dynamic Stochastic General Equilibrium (DSGE) model to agents who cannot smooth consumption (i.e. spenders) and are affected by external consumption habits. Although these assumptions are not new, their joint consideration strongly affects some theoretical and empirical results addressed by the recent literature. By deriving closed-form solutions, we identify different demand regimes and show that they are characterized by specific features regarding dynamic stability and monetary policy effectiveness. We also evaluate our model by stochastic simulations obtained from the Bayesian parameters estimates for the Group of Seven (G7) economies. From posterior impulse responses, we address the empirical relevance of the different regimes and provide comparative evidence on the heterogeneity of monetary policy effects among countries.

Date: 2011
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Working Paper: Monetary Policy, Rule-of-Thumb Consumers and External Habits: A G7 Comparison (2009)
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DOI: 10.1080/00036840903357447

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