1. Supply functions in tropical agriculture;Ady;Oxford Institute of Statistics Bulletin,1968
2. Supply response of cocoa in major producing countries;Akiyama,1984
3. A new global tea model: Specification estimation and simulation;Akiyama,1986
4. Aggregate regional supply functions for Ghanian cocoa 1946–62;Bateman;Journal of Farm Economics,1965
5. Monopolistic cocoa pricing;Behrman;American Journal of Agricultural Economics,1968