We study outsourcing relationships among international asset management firms. We find that in companies that manage both outsourced and inhouse funds, inhouse funds outperform outsourced funds by 0.85% annually (57% of the expense ratio). We attribute this result to preferential treatment of...

We exploit the merger between BlackRock and Barclays Global Investors to study how changes in expected ownership concentration affect the investment behavior of funds and the cross-section of stocks worldwide. We find that funds with open-end structures and a large exposure to commonly-held...