This paper compares the extent of common ownership in the US and the EU stock markets, with a particular focus on differences in the applicable ownership transparency requirements. Most empirical research on common ownership to date has focused on US issuers, largely relying on ownership data...

We study oligopolistic competition in product markets where the firms’ quantity decisions are delegated to managers. Some firms are commonly owned by shareholders such as index funds whereas the other firms are owned by independent shareholders. Under such an asymmetric ownership structure,...