Kuiper, W. Erno; Lutz, Clemens; van Tilburg, Aad - European Association of Agricultural Economists - EAAE - 2002
This paper considers vertical price relationships between wholesalers and retailers on five local maize markets in Benin. We show that if the common factor and the long-run disequilibrium error are not explicitly taken into account in testing the channel model, one can easily be wrong about how...