Zvi Griliches has made many seminal contributions to econometrics during the course of a long and distinguished career. His work has focused primarily on the economics of technological change and the econometric problems that arise in trying to study it.

This note reviews the history of the "residual," from its earliest articulation in Copeland (1937) to its codification in Solow (1957), describing the various earlier contributions by Tinbergen, Stigler, Schmookler, Fabricant, Kendrick, Abramovitz, and others.

From January 1984 through December 1989, the Bureau of Labor Statistics (BLS) price index for prescription pharmaceuticals grew at 9.09 percent per year. Using BLS-type Laspeyres index procedures with monthly price and quantity data on all prescription pharmaceuticals sold by four U.S....

Recently controversy has surrounded the issue of whether Social Security payments to the elderly should continue to be adjusted automatically according to changes in the Consumer Price Index (CPI). One issue in the public policy debate concerns whether price inflation is different for the...