Hopes for development aid remain high among Western politicians and pundits, but the evidence is depressing. Foreign aid has on average probably no effect on long-run growth. To understand the failure of many development projects, we need a deeper consideration of the failure of top-down...

The international effort to meet the Millennium Development Goals by 2015 has given fresh prominence to the idea of poverty traps, a notion that was widely current in the 1950s. This idea, most actively promoted by economist Jeffrey Sachs, director of Columbia University's Earth Institute and...

The classic narrative of economic development -- poor countries are caught in poverty traps, out of which they need a Big Push involving increased aid and investment, leading to a takeoff in per capita income -- has been very influential in development economics since the 1950s. This was the...

The Schelling model of a "tipping point" in racial segregation, in which whites flee a neighborhood once a threshold of nonwhites is reached, is a canonical model of strategic interdependence. The idea of "tipping" explaining segregation is widely accepted in the academic literature and popular...

In the new millennium, the Western aid effort toward Africa has surged due to writings by well-known economists, a celebrity mass advocacy campaign, and decisions by Western leaders to make Africa a major foreign policy priority. This survey contrasts the predominant "transformational" approach...

Theoretical models predict that countries with unchanged long-run savings preferences will respond to debt relief by running up new debts or by running down assets. And there are some signs that incremental debt relief over the past two decades has fulfilled those predictions. Debt relief is...

The Burnside and Dollar (2000) finding that aid raises growth in a good policy environment has had an important influence on policy and academic debates. We conduct a data gathering exercise that updates their data from 1970-93 to 1970-97, as well as filling in missing data for the original...

The Burnside and Dollar (2000) finding that aid raises growth in a good policy environment has had an important influence on policy and academic debates. We conduct a data gathering exercise that updates their data from 1970-93 to 1970-97, as well as filling in missing data for the original...

The Burnside and Dollar (2000, AER) finding that aid raises growth in a good policy environment has had an important influence on policy and academic debates. We conduct a data gathering exercise that updates their data from 1970 -93 to 1970 -97, as well as filling in missing data for the...

The Burnside and Dollar (2000) finding that aid raises growth in a good policy environment has had an important influence on policy and academic debates. We conduct a data gathering exercise that updates their data from 1970–93 to 1970–97, as well as filling in missing data for the original...