This paper investigates the design of optimal procurement mechanisms in the presence of corruption. After the sponsor and the contractor sign the contract, the latter may bribe the inspector to misrepresent quality. Thus, the mechanism affects whether bribery occurs. I show how to include...

We set up a signaling game where individuals differ in ability and wealth. Higher ability means larger benefit supported by the government. Costly signals are used to transmit information regarding own deservingness. However, capital market imperfections may perturb the signals by limiting the...

Manipulation of government finances for the benefit of narrowly defined groups is usually thought to be limited to the part of the budget over which politicians exercise discretion in the short run, such as earmarks. Analyzing a revenue-sharing program between the central and local governments...

We report results from a randomized policy experiment designed to test whether increased audit risk deters rent extraction in local public procurement and service delivery in Brazil. Our estimates suggest that temporarily increasing annual audit risk by about 20 percentage points reduced the...

This paper examines the impact of ethnic divisions on conflict. The empirical specification is informed by a theoretical model of conflict (Esteban and Ray, 2011) in which equilibrium conflict intensity is related to just three distributional indices of diversity: ethnic polarization, ethnic...

The nineteenth century was a time of substantial changes in the patterns of economic growth. This was also a period of significant fluctuations in the structure of and allocation of political rights. Through successive franchise extensions, democracy expanded dramatically, giving birth to the...

This paper estimates the effect of piracy attacks on shipping costs using a unique data set on shipping contracts in the dry bulk market. We look at shipping routes whose shortest path exposes them to piracy attacks and find that the increase in attacks in 2008 lead to around a ten percent...

During the Greek debt crisis after 2010, the German government insisted on harsh austerity measures. This led to a rapid cooling of relations between the Greek and German governments. We compile a new index of public acrimony between Germany and Greece based on newspaper reports and internet...

Do political tensions affect economic relations? In particular, does politics significantly affect consumer choices? Firms are often threatened by consumer boycotts that pretend to modify their business strategies and behavior. Sometimes these are caused by general political conflicts. The main...

Although economic inequality has long been viewed as a cause of civil conflict, existing research has not found robust empirical support for this relationship. This study explores the connections between inequality and civil conflict by focusing on the mediating role of ethnic identity. Using...