Optimal budgetary and monetary policies under uncertainty: A stochastic control approach

Optimal budgetary and monetary policies under uncertainty: A stochastic control approach

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Article ID: iaor1996168
Country: Switzerland
Volume: 58
Issue: 1
Start Page Number: 379
End Page Number: 402
Publication Date: Jul 1995
Journal: Annals of Operations Research
Authors: ,
Keywords: control
Abstract:

In this paper, the authors determine optimal budgetary and monetary policies for Austria using a small macroeconometric model. They use a Keynesian model of the Austrian economy, called FINPOL1, estimated by ordinary least squares, which relates the main objective variables of Austrian economic policies, such as the growth rate of real gross domestic product, the rate of unemployment, the rate of inflation, the balance of payments, and the ratio of the federal budget deficit to GDP, to fiscal and monetary policy instruments, namely expenditures and revenues of the federal budget and money supply. Optimal fiscal and monetary policies are calculated for the model under a quadratic objective function using the algorithm OPTCON for the optimum control of nonlinear stochastic dynamic systems. Several control experiments are performed in order to assess the influence of different kinds of uncertainty on optimal budgetary and monetary policies. Apart from deterministic optimization runs, different assumptions about parameter uncertainties are introduced; the results of these different stochastic optimum control experiments are compared and interpreted.

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