Consumers' willingness to pay for cowpea products was analyzed by a multi-ordered response model. The analysis indicated that socio-demographic factors are weakly linked to consumers' willingness to pay while product characteristics are strongly linked. Marketing promotion is possible. Thus,...

This paper examines the relationship of 1987 retail grocery prices to supermarket sales concentration across 95 U.S. metropolitan areas. The regression model incorporates a large number of population, retail-cost, and retail competition factors and separate prices by type of grocery item. We...