Rental-equivalence is often used in computing price changes of owner-occupied housing in the CPI. We use an alternative approach, employing interest-adjusted house prices. For Norway 2000-2008 our method yielded a 30% CPI-increase, compared to the official 17%.

A monopoly that sells to brand-name loyal customers and to price-sensitive customers must decide whether to carry both name-brand and 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...