His main research interest is understanding the appropriate policy levers to address income inequality and, in particular, the role that tax policy versus other legal rules should play. He also works in a variety of other areas, including urban economics, environmental policy, and empirical legal studies. Liscow earned his Ph.D. in economics from the University of California, Berkeley, and his J.D. from Yale Law School. He graduated summa cum laude from Harvard College degrees in Economics and in Environmental Science and Public Policy. He has been a Staff Economist at the White House Council of Economic Advisers and worked for the World Bank's inspector general. Liscow clerked for the Honorable Stephen F. Williams on the U.S. Court of Appeals for the D.C. Circuit.