Attanasio, Orazio; Battistin, Erich; Mesnard, Alice - Institute for Fiscal Studies (IFS) - 2009
We study food Engel curves among the poor population targeted by a conditional cash transfer programme in Colombia. After controlling for the endogeneity of total expenditure and for the (unobserved) variability of prices across villages, the best fit is provided by a log-linear specification....