The welfare state is generally viewed as either providing redistribution from rich to poor or as providing publicly-financed insurance. Both views are incomplete. Welfare policies provide both insurance and redistribution in varying amounts, depending on the design of the policy. We explore the...

Mancur Olson's Logic of Collective Action has provided the dominant framework for understanding the impact of encompassing unions and employers confederations on wage-setting in Western Europe. In particular, scholars have drawn upon Olson's writing to descripe corporatism as a means for...

We show that the recent rise in Afghan opium production is caused by violent conflicts. Violence destroys roads and irrigation, crucial to alternative crops, and weakens local incentives to rebuild infrastructure and enforce law and order. Exploiting a unique data set, we show that Western...

In many countries extreme poverty is unnecessary. Yet it persists. We propose a simple index, denoted the Miser index, to measure the extent to which societies have poverty in the midst of affluence. It builds on the generalized Lorenz curve, but can also be seen as a measure of polarization...

By incorporating positional dynamics into a conflict model relevant to battlefields and politics, we show that the conditions that induce regime stability can also induce hard conflicts. We show that in contests with incumbent-challenger turnover, i) asymmetric power across groups and positions...

Divided societies in the developing world experience wasteful struggles for power. We study the relationship between political stability and resources wasted in the struggle within a model of competitive power contests. The model of power contests is similar in structure to models describing...

Unproductive enterprises that feed on productive businesses, are rampant in developing countries. These parasitic enterprises take divergent forms, some headed by violent bandits and brutal mafia bosses, others by organized middlemen or smart political insiders. All of them seem to have the...

A dynamic macroeconomic model is used to analyze the interaction between economic growth, labor demand and crime. Due to endogenous crime, the model exhibits increasing returns to aggregate capital at certain development levels. At other development levels, however, there are decreasing returns...

Social democracy, it is often said, is nice but pricey. Whatever its merits in the rich countries of Western Europe, social democracy is frequently dismissed as an infeasible model for developing countries. Based on generosity towards the poor and protection against market competition, the...

Informal groups cannot rely on external enforcement to insure that members abide by their obligations. It is generally assumed that these problems are solved by social sanctions and reputational effects. The present paper focuses on roscas, one of the most commonly found informal financial...