Kei-Mu is the M.D. Anderson Professor of Economics at the University of Houston, and is a Research Associate with the ITI and IFM programs at the NBER. Prior to coming to Houston, they held positions with the Federal Reserve Banks of New York, Philadelphia, and Minneapolis. In Philadelphia, they were the head of the Macro section, and in Minneapolis they were the Director of Research, and subsequently, special policy adviser to the President. Kei-Mu has also had positions with Rice University, the University of Iowa, the University of Virginia, and the Wharton School at the U. of Pennsylvania, as well as adjunct positions at Columbia University and New York University. They received a Ph.D. in economics from the University of Chicago.
Their past research was on tests of endogenous growth models, on the trade-comovement puzzle, and, on documenting the increased vertical specialisation of international trade and studying the consequences of that for the growth of world trade and the border effect puzzle. Their current research interests are on trade and growth, trade and structural transformation, and the gains from trade.