Behavioral economics recognizes that mental models -- intuitive sets of ideas about how things work -- can bias an individual's perceptions of himself and the world. By representing an ascriptive category of people as unworthy, a mental model can foster unjust social exclusion of, for example, a...

This paper, based on the introductory remarks made at the two-day conference on "The State of the Economy, the State of the World," is an idiosyncratic stocktaking of the trajectory of economics from Adam Smith to contemporary times, with special attention to the rise of development economics....

This study uses Twitter data to provide a more nuanced understanding of the public reaction to the 2011 reform to the propane gas subsidy in El Salvador. By soliciting a small sample of manually tagged tweets, the study identifies the subject matter and sentiment of all tweets during six...

This paper views tariff-cutting formulas as a potential solution to the free-rider problem that arises when market opening is negotiated bilaterally and extended on a most-favored-nation basis. The negotiators in the Doha Agenda chose formulas that are ideal from an economic efficiency viewpoint...

This paper explores two relationships, first between country characteristics and the quality of public financial management (' drivers'), and second between the quality of public financial management systems and expected outcomes (' effects'). On the influence of country characteristics, the...

While notoriously inefficient, fuel subsidies are widespread, and in many cases politically stable. This paper discusses and models various political economy aspects of fuel subsidies, focusing on gasoline and kerosene. Both economic and political are considered to explain differences in...

There is a proliferation of economics blogs, with increasing numbers of economists attracting large numbers of readers, yet little is known about the impact of this new medium. Using a variety of experimental and non-experimental techniques, this study quantifies some of their effects. First,...

This paper discusses the theory that less politics makes better economics. It argues that this perspective on politics misrepresents the dynamics of policymaking in developing countries and is seriously limited in its ability to explain how policy changes come about or how policies are chosen...

Levels of economic development vary widely within countries in the Americas. This paper argues that part of this variation has its roots in the colonial era. Colonizers engaged in different economic activities in different regions of a country, depending on local conditions. Some activities were...

This paper investigates the relationship between mining and spatial inequality in Africa during 2001-12. The identification strategy is based on a unilateral causation between mining and district inequality. The findings show that when minerals are aggregated, mining increases district...