DO THE POOR PAY MORE FOR FOOD? Evidence from the United Kingdom

Does food cost more for low-income households? This paper compares two well-known approaches to answering this question I find that quantity discounts for a broad range of foods are statistically significant and economically important However quantity discounting does not lead to the poor paying more for food I find that the poor pay less than average for the food they purchase This is explained by the poor spending a greater share of their income on foods where quantity discounting occurs