Productivity, Innovation, and Entrepreneurship.

• Position: Program and Working Group Meetings

Members of the NBER's Productivity, Innovation, and Entrepreneurship Program met in Cambridge on March 23. Program Codirectors Nicholas Bloom of Stanford University and Josh Lerner of Harvard University, Faculty Research Fellow Sabrina T. Howell of New York University, and Research Associate Serguey Braguinsky of the University of Maryland organized the meeting. These researchers' papers were presented and discussed:

* Eunhee Sohn, Georgia Institute of Technology, and Robert Seamans and Daniel Sands, New York University, "Technological Opportunity and the Locus of Innovation: Airmail, Aircraft, and Local Capabilities"

* Ernest Liu, Princeton University, Atif R. Mian, Princeton University and NBER, and Amir Sufi, University of Chicago and NBER, "Low Interest Rate and Productivity Growth"

* Stefano DellaVigna, University of California, Berkeley and NBER, and Matthew Gentzkow, Stanford University and NBER, "Uniform Pricing in U.S. Retail Chains" (NBER Working Paper No. 23996)

* Patrick M. Kline, University of California, Berkeley and NBER; Neviana Petkova, U.S. Department of the Treasury; Heidi L. Williams, MIT and NBER; and Owen M...