... grains, -0 .96 and -0 .33 for pork, -0 .03 and -0 .40 for eggs, and -0 .39 and -0 .47 for edible oils. Overall elasticities of fat intake with respect to pork prices were -1 .10 for the poor and -0 .49 ... fresh fruit and vegetables, 5 Overall own-price elasticities of foods for poor and rich, respectively, were: -0 .54 and -0 .25 for rice, -0 .54 and -0 .35 for wheat flour, -0 .09 and -0 .03 for ... low- and middle-income countries (25) and by about 4% in high-income countries (26). A World Bank fact sheet that draws from these reviews places higher taxes at the top of its list of cost-effective...