A theoretical foundation for Constant Market Share analysis |
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Authors: | A. H. Q. M. Merkies T. van der Meer |
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Affiliation: | 1. Department of Econometrics, Free University, P.O. Box 7161, 1007, MC Amsterdam, The Netherlands
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Abstract: | Constant Market Share (CMS) analysis is a popular tool for analyzing changes in exports of a country. Nevertheless, its theoretical foundations (and policy relevance) have been questioned. In this paper, we provide such a foundation by relating CMS analysis to a two-stage homothetic demand model. An indication of the empirical relevance of this relationship is given by comparing the CMS analysis with a two-stage Constant Elasticity of Substitution demand model applied to 1972–1976 data of the Economic and Social Commission for Asia and the Pacific (ESCAP).Paper presented at the XX-th world conference of the Applied Econometric Association in Istanbul, December 1986. The research reported in this paper was carried out as part of the project Disequi-librium and Equilibrium in Demand and Supply , which is approved by the Dutch Office of Education and Sciences. Ivo J. Steyn and Philip A. ten Cate provided excellent research assistance. We thank an anonymous referee for helpful comments. |
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