Professor of Economics at Yale University. Co-chairs the Urban Services Initiative at the Poverty Action Lab (J-PAL) at MIT, and leads the Bangladesh Research Program for the International Growth Centre in London. A development economist with interests in environmental issues. Conducts field experiments in Bangladesh, Indonesia, India, Chile, Malawi, Brazil exploring ways to induce people to adopt welfare-improving technologies or behaviors. His research has been published in top journals across disciplines, and covered by leading media outlets around the world.
In the United States, where COVID-19 vaccines are plentiful, the biggest remaining obstacle to protecting the population is vaccine hesitancy. Meanwhile, public health experts are raising...
无论好还是坏，美国的移民政策都在一定程度上塑造了这个国家。 它创造了一个多元化和创新性的国家，推动了人类文明的前进。 当然，它也给我们带来了特朗普总统和他富有争议的移民政策。 但是，考虑到美国移民对美国历史，创新能力及其未来发展的重要性，我们不应该继续争吵，逃避倾听，而应该好好考虑务实的政策选择了，妥协，势在必行。 有实证研究作为支撑的系统性评估表明，移民为美国经济提供...
America’s immigration policy has got the country to where it is today, for better or worse. It created a diverse and innovative nation that has pushed human civilization forward. It also ...
