"Montgomery GI Bill (MGIB) educational benefits are a prime recruiting tool in today's all-volunteer military. This paper studies the effects of changes in education benefits using data of the period 1990-2005. Higher benefits lead to higher separation due to both pure incentive effects and by...

A portfolio model of employment predicts that cities with more diversified employment opportunities should experience lower unemployment rates than less diversified cities. Empirical analysis of the diversity-unemployment relationship using Census data support the portfolio theory for the years...