The increased policy selectivity of aid allocations observed in recent years provides aid-recipient countries with an incentive to improve policies. The paper estimates that a change in the World Bank's Country Policy and Institutional Assessment policy index from 1.5 to 2 for a recipient is...

There is little systematic evidence on the links between procurement systems and outcomes such as competition and corruption levels. This paper adds to the evidence, using data on 34,000 firms from the World Bank's Enterprise Surveys, in 90 countries with procurement systems data from Public...

The inability of political actors to make credible promises to broad segments of society—a previously unexplored determinant of civil war—causes both elected and unelected governments to pursue public policies that leave citizens worse off and more prone to revolt. Noncredible political...

We use a "natural experiment” in media markets in Benin to examine the impact of community radio on government responsiveness to citizens. Contrary to prior research on the impact of mass media, in this experiment government agents do not provide greater benefits to citizens whose exposure to...

This article introduces a large new cross-country database, the database of political institutions. It covers 177 countries over 21 years, 1975-95. The article presents the intuition, construction, and definitions of the different variables. Among the novel variables introduced are several...

The inability of political actors to make credible promises to broad segments of society--a previously unexplored determinant of civil war--causes both elected and unelected governments to pursue public policies that leave citizens worse off and more prone to revolt. Noncredible political actors...