Dong, Diansheng; Shonkwiler, J.S.; Capps, Oral - In: American Journal of Agricultural Economics 80 (1998) 3, pp. 466-473
A procedure that corrects for selectivity bias is proposed to estimate demand functions using cross-sectional data under the assumption that prices vary across households. This procedure, which extends the work by Cox and Wohlgenant, includes a two-equation system of expenditure and unit value...