The Value of Institutional Brokerage Relationships: Evidence from the Collapse of Lehman Brothers
41 Pages Posted: 15 Jan 2018
Date Written: December 22, 2015
Using the sudden collapse of Lehman Brothers as a natural experiment, we examine whether mutual funds derive value from their institutional brokerage relationships. We find the impact of a damaged institutional brokerage relationship is greatest among mutual fund clients with concentrated brokerage networks and funds that specialize in small-cap stocks. Based on a difference-in-difference analysis, we find a drop in monthly fund alphas ranging from 34.2 and 70.9 basis points per month in risk-adjusted returns arising from a weakening brokerage relationship. Collectively, our results support the view that mutual funds significantly leverage their relationship capital with brokers.
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