We investigate the magnitude, timing, and direction of the association between changes in concentration across vertically related industries over the period 1978-2008. We find robust evidence that changes in an industry’s level of concentration are significantly positively related to prior and...

We investigate the relation between common institutional ownership of the firms in an industry and product market competition. We find that common ownership is neither robustly positively related with industry profitability or output prices nor robustly negatively related with measures of...

We examine the robustness of empirical models and findings concerning CEO turnover. We show that the sensitivity of turnover to abnormal firm performance is an extremely robust result. In contrast, evidence indicating a relation between turnover and industry performance is both weak and fragile....