A discussion of the perceived widening wage gap between skilled and unskilled workers that analyzes the implications of such a gap upon trade in the context of NAFTA.

A discussion of the perceived widening wage gap between skilled and unskilled workers that analyzes the implications of such a gap upon trade in the context of NAFTA.

We investigate the childhood determinants of adult height in populations, focusing on the respective roles of income and of disease. We develop a model of selection and scarring, in which the early life burden of nutrition and disease is not only responsible for mortality in childhood but also...

Mortality rates have fallen dramatically over time, starting in a few countries in the 18th century, and continuing to fall today. In just the past century, life expectancy has increased by over 30 years. At the same time, mortality rates remain much higher in poor countries, with a difference...

In spite of India’s rapid economic growth, there has been a sustained decline in per capita calorie consumption during the last twenty-five years. While the decline has been largest among better-off households, it has taken place throughout the range of household per capita total expenditure....

I discuss the measurement of world poverty and inequality, with particular attention to the role of PPP price indexes from the International Comparison Project. Global inequality increased with the latest revision of the ICP, and this reduced the global poverty line relative to the US dollar....

The first of the Millennium Development Goals targets global poverty. The numbers that support this goal are estimated by the World Bank, and come from a worldwide count of people who live below a common international poverty line. This line, loosely referred to as the dollar-a-day line, is...

PPP-based national accounts have become an important part of the database for macroeconomists, development economists, and economic historians. Frequently used global data come from the Penn World Table (PWT) and the World Bank’s World Development Indicators; a substantial fraction of the...