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Research
Innovative, independent, peer-reviewed. Explore the latest economic research and policy proposals from CGD’s global development experts.
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Remarks to the European Parliament on EFSD/ EFSD+
September 24, 2025
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Research
POLICY PAPER
May 09, 2023
Climate change has major ramifications for migration at every level. While most migration affected by climate change will be internal, the international system is unprepared and inadequate for the needs that will arise. Migration can be a valuable tool for adaptation, but action is needed if its po...
WORKING PAPER
January 23, 2023
The US limits work visas for low-skill jobs outside of agriculture, with a binding quota that firms access via a randomized lottery. We evaluate the marginal impact of the quota on firms entering the 2021 H-2B visa lottery using a novel survey and pre-analysis plan. Firms exogenously authorized to e...
WORKING PAPER
August 27, 2009
The emigration of skilled workers from developing countries is often referred to as brain drain and considered something that should be limited. In this paper, resident fellow Michael Clemens takes the term to task and shows instead that a more open skill flow—a more accurate and neutral label...
WORKING PAPER
May 20, 2009
Economists often use instrumental variables to demonstrate a causal relationship between some trait of a country and economic growth. In this new analysis, Samuel Bazzi and Michael Clemens show that a variety of instrumental variables used in top economics journals have severe but hidden limitations...