Market Integration: An Application to International Trade in Cotton

Eric Monke and Todd Petzel

American Journal of Agricultural Economics, 1984, vol. 66, issue 4, 481-487

Abstract: Agricultural commodities are differentiated frequently by quality or country of origin. This paper proposes two complementary tests—bivariate price regressions and hedonic index estimation—as methods to identify whether differentiated products are amenable to treatment as a homogenous commodity. These price linkage tests represent necessary, rather than sufficient, conditions for aggregation and must be supplemented by information on market structure. Analysis of the international cotton market suggests a distinction between extra long and other staple lengths, but not by country of origin after controlling for staple length.

Date: 1984
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Persistent link: https://EconPapers.repec.org/RePEc:oup:ajagec:v:66:y:1984:i:4:p:481-487.

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