That the anarchic system generates incentives for states to balance each other's power is conventional wisdom in international relations. As such, the contemporary unipolar system is an anomaly. The existing literature explains its persistence in various ways, including the benevolence of U.S....

I establish four facts regarding the pattern of NLRB supervised representation election activity over the past 45 years: 1) the quantity of election activity has fallen sharply and discontinuously since the mid-70's after increasing between the mid-1950's and the mid-1970's; 2) union success in...

I use a sample of over fourteen thousand full-time jobs held by workers in the National Longitudinal Survey of Youth (NLSY) to examine mobility patterns and to evaluate theories of inter-firm worker mobility. The roles of both heterogeneity and state dependence in determining mobility rates for...

There is now a substantial body of economic research that models the behavior of labor unions as maximization of a well defined objective function. This paper presents both a selective critical survey of this literature and a preliminary consideration of some important problems that have not...