This paper surveys key developments in the theory of international migration and international trade, and provides a …

This paper links business cycle volatility to barriers on international mobility of goods and capital. Theory predicts …

We estimate the world distribution of income by integrating individual income distributions for 125 countries between … hosted 11% of the world's poor in 1960. It hosted 66% of them in 1998. We estimate nine indexes of income inequality implied … by our world distribution of income. All of them show substantial reductions in global income inequality during the 1980s …

study of PPP-adjusted estimates of GDP around the world between 1992 and 2010. First, we find that while market exchange … optimal. Using data from the Penn World Tables, we find that, indeed, it is optimal to only use the latest price data, and …

Penn World Tables and of the World Development Indicators better estimate true income per capita. We find that revisions of …-price series in both PWT 8.0 and PWT 8.1, the two most recent vintages of the PWT. We additionally find that the World Development … Indicators are as good, and often better, measures of unobserved true income as are any recent vintages of the Penn World Tables …

groups and the old and the young, provided that the economy has a good access to the world capital markets. This overall gain …-migration feature of the dynamic model is however weakened and possibly overturned when access to the world capital market is limited …