Abstract:
Calibrated models of the business cycle typically assume a certain frequency at which economic agents take decisions. In this paper I show that the local stability properties of dynamic stochastic general equilibrium macro models may depend on the length of a period in the model economy. This leads to the following paradoxical situation: For given parameters, and in particular those assigning values of imperfections in the economy, the economy may be driven by sunspots at some frequencies while sunspots can have no impact at other frequencies.
More papers in Economics Series from Institute for Advanced Studies Address: Stumpergasse 56, A-1060 Vienna, Austria Contact information at EDIRC. Series data maintained by Wolfgang Nessler ().
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