Whether the poor pay more for food than other income groups is an important question in food price policy research. Stores serving low-income shoppers differ in important ways from stores that receive less of their revenues from Food Stamp redemptions. Stores with more revenues from Food Stamps...

Some hypothesize that poor consumers pay more for food because stores that serve them have higher costs. We assess how supermarket characteristics and operating costs differ with the percentage of sales from food stamp redemptions. Results do not support the hypothesis that costs are higher for...

A common approach to measuring price changes is to look at the change of the expenditure needed to purchase a fixed basket of goods. It is well-known that this approach suffers from problems and creates several biases in the measurement of price changes faced by consumers. Substitution and...