We investigate whether top managers affect the performance of large and complex public sector organizations, using as a case study CEOs of English public hospitals (large, complex organizations with multi-million turnover). We study the extent to which CEOs are differentiated in terms of their...

In this paper we examine the causal impact of competition on management quality. We analyze the hospital sector where geographic proximity is a key determinant of competition, and English public hospitals where political competition can be used to construct instrumental variables for market...