Ethnic diversity has a more adverse effect on economic policy and growth when a government's institutions are poor. But poor institutions have an even more adverse effect on growth and policy when ethnic diversity is high

Small states, no different from large states in income and growth, should receive the same policy advice large states do. Because of their greater openness, they may be more vulnerable to volatility in terms-of-trade shocks--but their openness pays off in growth

One of the primary reasons that otherwise good politicians enact bad policies in countries all over the world, but especially in low-income countries, is that they face significant constraints in their efforts to bring about reform. These constraints, the "room for maneuver", are shaped by the...

The authors systematically document remarkably high degrees of concentration in manufacturing exports for a sample of 151 countries over a range of 3,000 products. For every country manufacturing exports are dominated by a few "big hits" which account for most of the export value and where the...

Fiscal adjustment becomes like walking up the down escalator when growth-promoting spending is cut so much as to lower growth and thus the present value of future tax revenues to a degree that more than offsets the improvement in the cash deficit. Although short-term cash flows matter, a...

May 2000 - A higher share of income for the middle class and lower ethnic polarization are empirically associated with higher income, higher growth, more education, better health, better infrastructure, better economic policies, less political instability, less civil war (putting ethnic...