Wojciech Kopczuk

Wojciech Kopczuk is a Professor of Economics and International and Public Affairs at Columbia University, where he specializes in tax policy and income and wealth inequality. His research has been widely published in leading economics journals, including American Economic Review, Quarterly Journal of Economics, Journal of Political Economy, Review of Economic Studies, and many others. He is currently the Editor-in-Chief of the Journal of Public Economics and serves on the editorial boards of many other journals. He was president of the International Institute of Public Finance, “the world organization of Public Finance economists,” from 2021-24.

Kopczuk earned his B.A. and M.Sc. from the University of Warsaw in 1996 before completing his M.A. and Ph.D. in Economics at the University of Michigan. Before joining Columbia University in 2003, he taught at the University of British Columbia. He is also a Research Associate with the National Bureau of Economic Research’s Public Economics program and a Research fellow of the Centre for Economic Policy Research.

A noted scholar on tax policy, Kopczuk has examined the effects of taxation on wealth distribution and economic behavior and worked on the measurement of income and wealth inequality. His current research focuses on taxation and the behavior of closely-held businesses, especially those owned by high-income professionals.