Markets for millet and rice in the Western Sudan became much more integrated over the course of the twentieth century. Drawing on a new dataset of prices from across French West African colonies, this paper documents that price dispersion as measured by the coefficient of variation roughly...

We quantify the role of individual factors in shaping the domestic prices of selected grains and oilseeds in Poland and test the hypothesis of whether a favorable supply situation can isolate the domestic market from external shocks. We carried out estimations using error correction and local...