We examine white and black male nonagricultural self-employment from 1910 to 1997. Self-employment rates fell through 1970 and then rose. White male trends were due to declining rates within industries, ending in 1970, counterbalanced by a continuing shift toward high self-employment industries....

We show that self-employment rates differ substantially across 60 ethnic and racial groups in the United States. These differences exist within broad combinations of groups such as Asians and Hispanics, and are almost as great after regression controls, including age, education, immigrant...

Charles (2003) examines the dynamic effects of disability, finding a small decline in earnings and hours following disability onset, even for those who have positive disability reports for each of the next ten years. These outcomes also rebound quickly after the onset of disability. In recent...