Private firms in the U.S. are not subject to public reporting requirements, so relatively little is known about their characteristics and behavior – until now. This Data Appendix describes a new database on private U.S. firms, created by Sageworks Inc. in cooperation with hundreds of...

We document sizeable and surprising differences in investment behavior between stock market listed and privately held firms in the U.S. using a rich new data source on private firms. Listed firms invest substantially less and are less responsive to changes in investment opportunities compared to...

We evaluate differences in investment behavior between stock market listed and privately held firms in the U.S. using a rich new data source on private firms. Listed firms invest less and are less responsive to changes in investment opportunities compared to observably similar, matched private...

We examine the dynamic relation between return and volume of individual stocks. Using a simple model in which investors trade to share risk or speculate on private information, we show that returns generated by risk-sharing trades tend to reverse themselves while returns generated by speculative...