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Directed Brokerage, Conflicts Of Interest, And Transaction Cost Economics, D. Bruce Johnsen

D. Bruce Johnsen

This paper relies on the economics of transaction costs to assess the likely effect on investor welfare of the U.S. Securities and Exchange Commission’s (SEC’s) prohibition on a puzzling business practice known as directed brokerage. Its key insight is that the quality of a broker’s execution of portfolio trades is difficult for a mutual fund adviser to assess until it is too late ─ that is, execution quality is an “experience good.” Low-quality brokerage can substantially reduce investor returns. To have the incentive to provide high-quality execution, a broker must expect to receive a stream of premium portfolio commissions in …