We present a model of the creation of social networks, such as political parties, trade unions, religious coalitions, or political action committees, through discussion and mutual persuasion among their members. The key idea is that people are influenced by those inside their network, but not by...

In this paper I attempt to clarify the nature of the losses associated with inflation within a conventional model of a competitive economy. I shall argue that were inflation fully anticipated, it would be "almost neutral" provided (a) that the tax system were fully indexed and (b) that interest...

We present a model of shadow banking in which financial intermediaries originate and trade loans, assemble these loans into diversified portfolios, and then finance these portfolios externally with riskless debt. In this model: i) outside investor wealth drives the demand for riskless debt and...

Imperfections in risk and capital markets imply that individuals who lose jobs suffer from imperfect smoothing of consumption across states and times. Compared to the first best, there will be too little search. Optimal unemployment programs, which balance the marginal benefit of consumption...

The efficiency of common law rules is central to achieving efficient resource allocation in a market economy. While many theories suggest reasons why judge-made law should tend toward efficient rules, the question whether the common law actually does converge in commercial areas has remained...

We investigate the evolution of common law under overruling, a system of precedent change in which appellate courts replace existing legal rules with new ones. We use a legal realist model, in which judges change the law to reflect their own preferences or attitudes, but changing the law is...

In China, local governments have actively contributed to the growth of new firms. In Russia, local governments have typically stood in the way, be it through taxation, regulation, or corruption. There appears to be two main reasons behind the behavior of local governments in Russia. First,...

Djankov et al. (2003a) propose and measure for 109 countries in the year 2000 an index of formalism of legal procedure for two simple disputes: eviction of a non-paying tenant and collection of a bounced check. For a sub-sample of 40 countries, we compute this index every year starting in 1950,...

We present insolvency practitioners from 88 countries with an identical case of a hotel about to default on its debt, and ask them to describe in detail how debt enforcement against this hotel will proceed in their countries. We use the data on time, cost, and the likely disposition of the...