Chad Sparber Colgate University Chad Sparber is a Professor at Colgate University in Hamilton, New York. He is also an external reseMore Research Immigration Policies Affecting the Highly Skilled: Effects on Innovation and Productivity in US Firms, The Effect of the H-1B Quota on Employment and Selection of Foreign-Born Labor, Choosing Skilled Foreign-Born Workers: Evaluating Alternative Methods for Allocating H-1B Work Permits