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Michael A. Cohen

How will national and local planners face the challenge posed by urban growth in the less developed world? The author outlines the extent of the problem and some methods of tackling it.

Ms. Prachi Mishra
This paper quantifies the magnitude and nature of migration flows from the Caribbean and estimates their costs and benefits. The Caribbean countries have lost 10-40 percent of their labor force due to emigration to OECD member countries. The migration rates are particularly striking for the highskilled. Many countries have lost more than 70 percent of their labor force with more than 12 years of completed schooling-among the highest emigration rates in the world. The region is also the world's largest recipient of remittances as a percent of GDP. Remittances constituted about 13 percent of the region's GDP in 2002. Simple welfare calculations suggest that the losses due to high-skill migration (ceteris paribus) outweigh the official remittances to the Caribbean region. The results suggest that there is indeed some evidence for brain drain from the Caribbean.
David E. Bloom and Tarun Khanna

The September 2007 issue of F&D looks at the growth of cities and the trend toward urbanization. Within the next year, for the first time in history, more than 50 percent of the world's population will be living in urban rather than rural areas. What are the economic implications of this urban revolution? Economists generally agree that urbanization, if handled well, holds great promise for higher growth and a better quality of life. But as the lead article tells us, the flip side is also true: if handled poorly, urbanization could not only impede development but also give rise to slums. Other articles in this series look at poverty as an urban phenomenon in the developing world and the development of megacities and what this means for governance, funding, and the provision of services. Another group of articles discusses the challenge of rebalancing growth in China. 'People in Economics' profiles Harvard economist Robert Barro; 'Country Focus' looks at the challenges facing Mexico, and 'Back to Basics' takes a look at real exchange rates.