A monopoly that sells to brand-name loyal customers and to price-sensitive customers must decide whether to carry both name-brand and a private-label products and how much to charge. The monopoly may charge either more or less for the brand name if it carries a private label, and the price...

Although the WIC food assistance program purchases over one-half of all US infant formula, I find the program has little impact on the prices paid by non-WIC customers. I estimate infant-formula marginal cost and find that it is low compared to price, implying large price-cost markups. But, the...