Bradbury, John Charles; Drinen, Douglas J. - In: Journal of Sports Economics 9 (2008) 2, pp. 211-224
Past studies estimating the marginal revenue products of baseball players have assumed individual players' hitting … performances to be independent of teammate spillovers. However, the baseball community's widely held belief in â … externalities in baseball. Using play-by-play data the authors find evidence contrary to the protection hypothesis—the quality of …