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1. Measuring the Spatial Misallocation of Labor: The Returns to India-Gulf Guest Work in a Natural Experiment

Author:
Michael Clemens
Publication Date:
01-2019
Content Type:
Working Paper
Institution:
Center for Global Development
Abstract:
‘Guest workers’ earn higher wages overseas on temporary low-skill employment visas. This wage gap can be used to measure gaps in the productivity of workers due to where they are, not who they are. This paper estimates the effects of guest work on Indian applicants to a construction job in the United Arab Emirates, where an economic crisis allocated guest work opportunities as-good-as-randomly among several thousand families. Guest work raised the return to poor families' labor by a factor of four, with little evidence of systematic fraud.
Topic:
Migration, Labor Issues, Migrant Workers, and Guest Workers
Political Geography:
India and Asia

2. The Roots of Global Wage Gaps: Evidence from Randomized Processing of U.S. Visas

Author:
Michael Clemens
Publication Date:
06-2010
Content Type:
Working Paper
Institution:
Center for Global Development
Abstract:
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 in workers, or differences in the other factors of production accessible in different countries. To measure the relative importance of these sources in one setting, this study exploits the randomized processing of U.S. visas for a group of Indian workers who produce software within a single multinational firm. In this setting, international barriers to trade in outputs, barriers to technology transfer, and all observable or unobservable differences between workers are extremely low. The results indicate that location outside of India causes a sixfold increase in the wages of the same worker using the same technology to produce a highly tradable good. Under plausible assumptions about competition in the industry, this suggests that country-of-work by itself is responsible—in this industry—for roughly three-quarters of the gap in productivity between workers in India and workers in the richest countries. These findings have implications for open questions in labor, growth, international, and development economics.
Topic:
Economics and Labor Issues
Political Geography:
United States and India