We analyze optimal contracts and optimal matching patterns in a simple model of partnershipwhere there is a double-sided moral hazard problem and potential partners differ intheir productivity in two tasks. It is possible for one individual to accomplish both tasks (soleproduction) and there are...

This paper studies changes over time in the incidence of labor tying. The existingliterature is successful in explaining the emergence of this institution, but contains thecounterfactual implication that there should be an increasing trend in labor tying. However,previous contributions have so...

This paper develops an approach to political equilibrium in a two-party setting. The approach characterizes political resource allocationas trading o¤ the utility of core party supporters and swing voters,i.e. those who are not attached to either party. The model has threestages. First parties...

A key issue in political economy concerns the accountability structures put in place to select public officials. While the principle that legislators are to be elected is now a defining feature of modern democracies, there are some offices where a plurality of selection methods survive. A key...

We present a simple theory of the quality (competence and honesty) of elected officials. Our theoryoffers three main insights. Low-quality citizens have a ‘comparative advantage’ in pursuing electiveoffice, because their market wages are lower than those of high-quality citizens...

Why is social exclusion a problem? What about ‘voluntary’ social exclusion –when an individual chooses to exclude him or herself from the wider society?Brain Barry has addressed these questions in a recent CASE book, arguing thatsocial exclusion, voluntary or involuntary, offends against...

In this paper we analyze the effect of inequality in the distribution of endowments of privateinputs (like land, capital) on production efficiency through its effect on the voluntary provisionof collective inputs (like irrigation, public research) that are complementary in production withthose...