@article {231481,
	title = {Collaborating with People Like Me: Ethnic Co-Authorship within the U.S},
	journal = {Journal of Labor Economics, Special Issue on High Skill Immigration},
	volume = {33},
	number = {3},
	year = {2015},
	pages = {S289-S318},
	url = {http://www.journals.uchicago.edu/doi/abs/10.1086/678973},
	author = {Richard B. Freeman and Wei Huang}
}
