NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

Uncertain Duration of Reform: Dynamic Implications

Guillermo A. Calvo, Allan Drazen

NBER Working Paper No. 5925
Issued in February 1997
NBER Program(s):   IFM

We develop a framework to study the effects of policies of uncertain duration on consumption dynamics under both complete and incomplete markets. We focus on the dynamic implications of market incompleteness, specifically on the lack of state-contingent bonds. Two policies are considered: pure output-increasing and tariff-reducing (trade liberalization). With" complete markets, the output-increasing policy leads to flat consumption, while with no contingent assets, consumption jumps upward on the announcement of the policy, continues rising as long as the policy is in effect, and collapses when it is abandoned. A similar consumption path obtains in a trade liberalization in the realistic case of low elasticity of substitution and no rebate of tariffs. Market incompleteness rationalizes the existence of gradual changes in consumption.

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Published: Calvo, Guillermo A. & Drazen, Allan, 1998. "Uncertain Duration Of Reform," Macroeconomic Dynamics, Cambridge University Press, vol. 2(04), pages 443-455, December.

 
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