Policy evaluation and design for continuous time linear rational expectations models: some recent development

Willem Buiter

No 34, NBER Technical Working Papers from National Bureau of Economic Research, Inc

Abstract: The paper surveys some recent developments in policy evaluation and design in continuous time linear rational expectations models. Much recent work in macroeconomics and open economy macroeconomics fits into this category. First the continuous time analogue is reviewed of the discrete time solution method of Blanchard and Kahn. Some problems associated with this solution method are then discussed, including non-uniqueness and zero roots. Optimal (but in general time-inconsistent) and time-consistent (but in general suboptimal) solutions are derived to the general linear-quadratic optimal control problem, based on work by Calvo, Driffill, Miller and Salmon and the author. A numerical example is solved, involving optimal and time-consistent anti-inflationary policy design in a contract model.

Date: 1984-04
Note: ITI IFM
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Published as Buiter, Willem (ed.) Macroeconomic theory and stabilization policy. Ann Arbor: University of Michigan Press, 1989.

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Related works:
Working Paper: Policy Evaluation and Design for Continuous Time Linear Rational Expectations Models: Some Recent Developments (1984)
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