Megafirms and the Post-COVID Economy.

• Position: Conferences

An NBER conference on Megafrms and the Post-COVID Economy took place April 22 in Cambridge and online. Research Associates Chad Syverson of the University of Chicago and John Van Reenen of the London School of Economics organized the meeting, which was supported by Smith Richardson Foundation grant #2018-1897. A keynote address was delivered by Jean Tirole of the Toulouse School of Economics. Tese researchers' papers were presented and discussed:

* Hendrik Dopper and Joel Stiebale, Heinrich-Heine University Dusseldorf; Alexander MacKay, Harvard University; and Nathan H. Miller, Georgetown University, "Rising Markups and the Role of Consumer Preferences"

* Maarten C. De Ridder, London School of Economics, "Market Power and Innovation in the Intangible Economy"

* Bo Cowgill and Andrea Prat, Columbia University; and Tommaso Valletti, Imperial College London, "Political Power and Market Power"

* Ginger Zhe Jin, University of Maryland and NBER; Mario Leccese, University of Maryland; and Liad Wagman, Illinois Institute of Technology, "How Do Top Acquirers Compare in Technology Mergers? New Evidence from an S&P Taxonomy" (NBER Working Paper 29642)

* Florian Ederer, Yale University, and Bruno...