Castellón, César E.; Boonsaeng, Tullaya; Carpio, Carlos E. - In: Applied Economics 47 (2015) 6, pp. 553-568
This article evaluates the feasibility of estimating a system of demand equations in the absence of price information using the approach developed by Lewbel (1989). Stone-Lewbel (SL) price indices for commodity groups are constructed using information on the budget shares and the Consumer Price...