The theories of human capital and internal labor markets are used to analyze teacher mobility. With data for the San Diego school system, we find that (1) since teaching assignments within school systems do not differ in terms of salary, internal mobility of teachers is governed by such...

Abstract This paper reports the results of a telephone survey of state-level officials as to the influence of evaluations of three state welfare innovations: California's GAIN, New York's CAP, and Florida's Project Independence. The three experiments were known to those interviewed, yet they did...

"When evaluating a pilot or demonstration program, there are risks from drawing inferences from a single test. This paper reviews the experiences of replication efforts from demonstrations using randomized controlled trials in the initial evaluation and the replications. Although replications of...