We explore the dynamic effects of news about a future technology improvement which turns out ex post to be overoptimistic. We find that it is difficult to generate a boom-bust cycle (a period in which stock prices, consumption, investment and employment all rise and then crash) in response to such a news shock, in a standard real business cycle model. However, a monetized version of the model which stresses sticky wages and a Taylorrule based monetary policy naturally generates a welfare-reducing boom-bust cycle in response to a news shock. We explore the possibility that integrating credit growth into monetary policy may result in improved performance. We discuss the robustness of our analysis to alternative specifications of the labor market, in which wage-setting frictions do not distort on going firm/worker relations. JEL Classification: C11, C51, E5, E13, E32
Monetary Policy and Stock Market Boom-Bust Cycles
L. Christiano,Cosmin L. Ilut,Roberto Motto,M. Rostagno
Published 2008 in Social Science Research Network
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- Publication year
2008
- Venue
Social Science Research Network
- Publication date
2008-10-01
- Fields of study
Economics
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