Nicole B. Simpson is a W Bradford Wiley Professor of Economics at Colgate University. She obtained her PhD in Economics from the University of Iowa in 2001. She also holds a BA in Economics from the University of St. Thomas in Minnesota and an MA in Economics from Iowa. Nicole has been at Colgate University since 2001.

Nicole considers herself to be a macroeconomist who focuses on labor issues. Her research areas include immigration, the Earned Income Tax Credit (EITC), education and growth. Her current work has focused on studying the determinants of immigration, the impact of the EITC on labor supply when households face credit constraints, and the relationship between credit and college investment. Her work has been published in the Journal of Monetary Economics, Journal of Development Economics, American Economic Review, Southern Economic Journal, Journal of Economic Education, Population Research and Policy Review, and Contemporary Economic Policy.

She joined IZA as a Research Fellow in February 2012.