Democratic societies are challenged by various violent and organized groups, be they terrorists, gangs or organized hooligans. In exchange for offering an identity, leaders in such groups typically require members to be violent. We introduce a simple model to capture these stylized facts, and...

Katz and Rapoport (2005) conclude that with linear production technology and the possibility of unilateral migration, region-specific shocks may increase the average level of education. Previously, Poutvaara (2000) derived a corresponding result with Cobb-Douglas technology and migration which...

We argue that anticorruption laws may provide an efficiency rationale for why political parties should meddle in the distribution of political nominations and government contracts. Anticorruption laws forbid trade in spoils that politicians distribute. However, citizens may pay for gaining...

Government or company decisions on whom to hire are mostly delegated to politicians, public sector officials or human resources and procurement managers. Due to anti-corruption laws, agents cannot sell contracts or positions that they are delegated to decide upon. Even if bribing is ruled out,...

While the effect of social security systems on retirement decisions has received much attention, the impact of these systems on individuals incentives to invest in their human capital has not been analyzed. We integrate human capital investment and retirement decisions in a simple analytical...

It has been argued that in the absence of altruism, intergenerational transfers can survive only if the old are net recipients. I prove that this need not hold in an over-lapping generations model with a fixed factor. For example, the middle-aged owning land may gain by providing public...