Much of America's promise is predicated on the existence of economic mobilitythe idea that people are not limited or defined by where they start, but can move up the economic ladder based on their efforts and accomplishments. Family income mobilitychanges in individual families' real incomes...

We examine the growth of mobile phone technology over the past decade and consider its potential impacts upon quality of life in low-income countries, with a particular focus on sub-Saharan Africa. We first provide an overview of the patterns and determinants of mobile phone coverage in...

This study uses a unique natural experiment to test a simple model of international differences in workers’ wages and productivity. Large differences in wages across countries could arise from several sources. These include barriers to trade in outputs, differences in technology, differences...

I review the literature on the effects of inequality on growth and development in the developing world. Two stylized facts emerge from empirical studies: inequality is more likely to harm growth in countries at low levels of income (below about $3200 per capita in 2000 dollars); and it is at...

Much of America's promise is predicated on economic mobility - the possibility that people can move up and down the economic ladder during their lifetimes. Mobility is of particular consequence when economic disparities are increasing. Using panel data and mobility concepts and measures adapted...

Much of America's promise is predicated on economic mobility - the idea that people are not limited or defined by where they start, but can move up the economic ladder based on their efforts and accomplishments. Family income mobility - changes in individual families' income positions over time...