Grignon, Michel; Kambia-Chopin, Bidénam - Institut de Recherche et de Documentation en Économie … - 2009
reasons why the near poor seem price insensitive. First we develop a theoretical model based on a simple tradeoff between two …-expected utility, the demand for quality and health, and supply-side factors such as price discrimination. We interpret our empirical … findings in terms of crossed price and income elasticity of the demand for CHI. Last, we use these estimates of elasticity to …