Asche, Frank; Wessells, Cathy R. - In: American Journal of Agricultural Economics 79 (1997) 4, pp. 1182-1185
A number of papers have discussed the relationship between the Almost Ideal Demand System (AIDS) and its linear approximation (LA/AIDS). In this paper, it is shown that if the prices in the system are normalized to one, the AIDS and LA/AIDS representations are identical at the point of...