Despite the common perception that African-American coaches face discrimination obstacles, only two rigorous statistical studies exist that actually address the issue of racial variation in retention of coaches. Neither study accounts for variation in the level of talent across coaches and the production of wins. We examine the difference between retention of African-American and white NBA coaches based on technical efficiency calculations from stochastic production frontier estimates of team win production. First, we detect no difference in technical efficiency by race of the coach....Read more
