Technology effects, business process development, and productivity growth are considered in the context of a single company: Wal-Mart. The starting point is the 2001 McKinsey Global Institute report, which finds that over 1995-2000, a quarter of U.S. productivity growth is attributable to the...

We define a class of bias problems that arise when purchasers shift their expenditures among sellers charging different prices for units of precisely defined and interchangeable product items that are nevertheless regarded as different for the purposes of price measurement. For...

Recent papers have questioned the accuracy of the Bureau of Labor Statistics' methodology for measuring rent increases and changes in implicit rents for owner-occupied housing. We compare the BLS estimates of increases in rents and owner-occupied housing costs to regression-based estimates using...