"This paper compares the wages of workers inside the United States to the wages of observably identical workers outside the United States-controlling for country of birth, country of education, years of education, work experience, sex, and rural-urban residence. This is made possible by new and...

Irresistible forces for increased labor mobility -- The fifth irresistible force : ghosts and zombies -- Immovable ideas : myths and truths -- Accommodating forces and ideas to achieve development-friendly labor -- Mobility -- Conclusion : let their people come