Growth regressions are often influenced by extreme observations in the sample. We demonstrate the usefulness of a simple Monte Carlo method as a diagnostic for sample robustness. We apply the technique to a data set used by Mehlum et al. (2006), who show that institutional quality is decisive...

This paper reports on my replication of the 1997 Sachs and Warner resource curse working paper. Exact pure replication is achieved. A test for statistical replication shows that some of the Sachs and Warner results attempting to determine the cause of the resource curse are not robust to the...

The most cited paper ever published by the Journal of African Economies is Jeffrey Sachs and Andrew Warner’s "Sources of Slow Growth in African Economies." The paper advises that despite decades of slow growth in Africa there should be considerable optimism regarding Africa's future; if it...

The terms of trade debate initiated by Raul Prebisch and Hans Singer over 60 years ago continues to this day and is unlikely to be resolved soon. However, even if Prebisch and Singer are right and the terms of trade of countries exporting primary products are falling, to suggest that these...

Over the past decade both labor and multifactor productivity have fallen in copper, iron ore, coal, and many other mining operations, causing production costs to rise. This decline, following years of rising productivity, has led many to conclude that new technology can no longer offset the...