Discussion Paper Details

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Title: Macroeconomic Policy Design and Control Theory - A Failed Partnership?

Author(s): David Currie

Publication Date: September 1984

Keyword(s): Control Theory, Game Theory, Macroeconomic Policy and Rational Expectations

Programme Area(s): International Macroeconomics

Abstract: This paper provides a general review of recent developments in the application of control theory to macroeconomic policy design. It starts by highlighting the crucial difference between the engineering and economic control problem, in that the latter, unlike the former, is concerned with the control of intelligent systems. It examines the problems that this creates for macroeconomic policy formulation, and considers the usefulness of the rational expectations assumption in this context. Policy formulation is then analysed in the context of an interdependent world, and the dangers of single country policy optimisation are highlighted. It is argued that the most pressing issue is that of formulating appropriate rules, supported by penalty strategies, for the orderly conduct of macroeconomic policy in an international setting. The paper concludes by examining the conduct of United Kingdom macropolicy over the past five years, arguing that greater attention to issues of macropolicy design would have avoided some serious deficiencies in the conduct of policy.

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Bibliographic Reference

Currie, D. 1984. 'Macroeconomic Policy Design and Control Theory - A Failed Partnership?'. London, Centre for Economic Policy Research.