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John P. Burkett
Executive Director, ISIAC
Department of Economics
University of Rhode Island
806 Chafee Hall, 10 Chafee Road
Kingston, RI 02881–0808
phone (401) 874–9195
fax (401) 874–2858
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Abstract

Cones of Diversification in a Model of Comparative Advantage

John P. Burkett

Institute for the Study of International Aspects of Competition

Working Paper 95-2

The hypothesis that all countries belong to a single cone of diversification is often used in studies of international trade but seldom tested. In this paper the one-cone hypothesis is tested against a two-cone alternative by clustering countries with similar factor proportions, estimating regressions for gross national product and net exports, and applying standard tests for equality of coefficients. Rejecting the one-cone hypothesis, the paper presents estimates of a two-cone model and considers their implications for factor flows and the prospects of emerging market economies.

JEL classification: F12

Key words: international trade; cones of diversification.

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