"Economic impacts of unionization on employers are difficult to estimate in the absence of large, representative data on establishments with union status information. Estimates are also confounded by selection bias, because unions could organize at highly profitable enterprises that are more...

"In this paper, we show that substantial heterogeneity exists among U.S. small businesses owners with respect to their ex-ante expectations of future performance, their ex-ante desire for future growth, and their initial motives for starting a business. Specifically, using new data that samples...