Using panel data on the publicly traded firms in the U.S. manufacturing sector in the recent past, the author finds that most of the change in employment at the firm level in any given year is permanent, that year-to-year growth rates are largely uncorrelated over time or with prior...

This paper describes a small, unique set of project data that was assembled as part of a larger study on universities as research partners. Herein, we summarize, to the extent possible, our interpretation of what the project data reveal about barriers, intellectual property (IP) concerns in...

This Paper describes the database on US patents that we have developed over the past decade, with the goal of making it widely accessible for research. We present main trends in US patenting over the last 30 years, including a variety of original measures constructed with citation data, such as...