Small businesses are the primary source of new jobs in the U.S. economy. From 1990 to 1995, businesses with fewer than 500 employees accounted for 76.5 percent of net new jobs. But small businesses have a very high turnover rate compared to large businesses. Over 13 percent of U.S. jobs in 1995 were in firms that did not exist before 1990 and over 12 percent of jobs in 1990 were in firms that had ceased to exist by 1995.
Despite the importance and the complexity of small business as a contributor to the U.S. economy, there has been surprisingly little academic research on the economic environment faced by small business owners or the effects of policy variables on small business success.