The Economics of Mutual Fund Marketing
63 Pages Posted: 22 Nov 2022 Last revised: 24 Feb 2023
Date Written: November 14, 2022
We uncover a significant relationship between the persistence of marketing employment strategy and fund performance in the U.S. mutual fund industry. Using regulatory filings, we show a large heterogeneity in fund companies' marketing employment share, the share of employment devoted to marketing and sales. Not only that the marketing employment share increases in family size and predicts subsequent fund flows, but it is also persistent across fund families. A framework based on Bayesian persuasion and costly learning helps to explain the observed strategic marketing decision. As the optimal marketing plan, fund companies with different skill types commit to heterogeneous marketing employment strategies: conditional on the skill level, fund companies' optimal marketing employment share responds to their past performance differently. Low-skill funds only conduct marketing following good-enough past performance, while high-skill funds maintain a high marketing employment share even with very poor past performance. Consistent with the model prediction, we show that the volatility of the marketing ratio is negatively correlated with the long-term performance of fund companies.
Keywords: Marketing Employment Share, Persistence Marketing, Bayesian Persuasion, Costly Learning
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