Identifying price linkages: a review of the literature and an application to the world market of cotton

This paper reviews the literature of price linkages and examines the degree to which cotton prices are linked; it also tests whether such linkages have improved over the last decade. It concludes that the degree of linkage has improved over the last decade while the main source of this improvement appears to be a result of short-run price transmission and to a lesser extent long-run co-movement.