The new growth literature, using both endogenous growth and neoclassical models, has generated strong claims for the effect of national policies on economic growth. Empirical work on policies and growth has tended to confirm these claims. This paper casts doubt on this claim for strong effects...

Analysis of adjustment loans often overlooks their repetition to the same country. Repetition changes the nature of the selection problem. None of the top 20 recipients of repeated adjustment lending over 1980-99 were able to achieve reasonable growth and contain all policy distortions. About...

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 worldwide growth slowdown after 1975 was a major negative fiscal shock; lower growth lowers the present value of tax revenues and primary surpluses and thus makes a given level of debt more burdensome. Most countries failed to adjust to the negative fiscal consequences of the growth...

We establish the following stylized facts: (1) Exports are characterized by Big Hits, (2) the Big Hits change from one period to the next, and (3) these changes are not explained by global factors like global commodity prices. These conclusions are robust to excluding extractable products (oil...

Although a large literature argues that European settlement outside of Europe shaped institutional, educational, technological, cultural, and economic outcomes, researchers have been unable to directly assess these predictions because of an absence of data on colonial European settlement. In...

In the new millennium, the Western aid effort towards 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...

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...

A remarkable diversity of indicators shows quality of life across nations to be positively associated with per capita income. At the same time, the changes in quality of life as income grows are surprisingly uneven. Either in levels or changes, moreover, the effect of exogenous shifts over time...

The Harrod--Domar growth model supposedly died long ago. Still today, economists in the international financial institutions (IFIs) apply the Harrod--Domar model to calculate short-run investment requirements for a target growth rate. They then calculate a "financing gap" between the required...