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Disequilibrium Estimation of the Demand for Copper
James G. MacKinnon and Nancy D. Olewiler
The Bell Journal of Economics
Vol. 11, No. 1 (Spring, 1980), pp. 197-211
Published by: RAND Corporation
Stable URL: http://www.jstor.org/stable/3003408
Page Count: 15
You can always find the topics here!Topics: Prices, Copper, Market disequilibrium, Market prices, Consumer prices, Coefficients, Demand, Supply, Econometrics, Import prices
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In this paper we estimate the demand for refined copper in the United States, taking account of the fact that, during much of the sample period, copper supplies were rationed. The model employed, which is closely related to the Tobit model, is much simpler than those models previously used for disequilibrium estimation. Our empirical results are consistent with institutional evidence on the existence of rationing, and suggest that conventional estimates of the demand for copper, which implicitly assume that the market is always in equilibrium, are severely biased.
The Bell Journal of Economics © 1980 RAND Corporation