The literature on organizational learning asserts that external learning is often limited geographically and technologically. We scrutinize to what extent organizations acquire external knowledge by accessing external knowledge repositories. We argue that professional service firms (PSFs) grant...

This paper discusses methods for the harmonization and combination of large-scale patent and trademarkdatasets with each other and other sources of data. Dictionary- and rule-based approaches to the consolidationof applicant names in patent data are presented and shown to have both benefits and...

In this paper, we study the growth rates of 4-digit sectors in U.S. manufacturing. Two measures of size (value of shipments, value added) are considered, for each of the 38 years (1959-1996) of a sample of 458 4-digit sectors, drawn from the NBER Manufacturing Productivity database. Whole sample...