The elapsed time taken to earn a Ph.D. in economics is analyzed with data from 620 (of about 950) 1996-97 Ph.D.s. The median is 5.3 years. A duration model indicates that those students at several of the most highly regarded programs, those supported by no-work fellowships, and those holding a...

This paper examines how industries' share of employment in local labor markets affects displaced workers' re-employment, industry switching and earnings losses. A key result is that workers displaced from industries with low employment shares are more likely to switch industries after...

Ashenfelter and Krueger's (1993) within-twin, measurement-error- corrected estimate of the return to schooling is about 13-16 percent. If their estimate is unbiased, then their results imply considerable downward measurement error bias in uncorrected within-twin estimates of the return to...