In a labor market hierarchy, promotions are affected by the noisiness of information about the candidates. I study the hypothesis that males are more risk taking than females, and its implications for rates of promotion and abilities of survivors. I define promotion hierarchies with and without...

Estimates from the Panel Study of Income Dynamics (PSID) indicate that African-American men are one-third as likely to be self-employed as white men.  The large discrepancy is due to a black transition rate into self-employment that is approximately one half the white rate and a black...

Estimates from the Panel Study of Income Dynamics (PSID) indicate that African-American men are one-third as likely to be self-employed as white men.  The large discrepancy is due to a black transition rate into self-employment that is approximately one half the white rate and a black...