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Demand spillovers and market outcomes in the mutual fund industry

Gavazza, Alessandro (2011) Demand spillovers and market outcomes in the mutual fund industry. RAND Journal of Economics, 42 (4). pp. 776-804. ISSN 0741-6261

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Identification Number: 10.2139/ssrn.1487629


When consumers concentrate their purchases at a single firm, a firm that offers more products than its rivals can gain market share for all its other products, as well. These spillovers induce firms to compete by offering a greater variety of products rather than lower prices, and a natural form of industry concentration with few large firms offering many products can arise if spillovers are strong enough. This paper presents a simple model that illustrates this mechanism explicitly. The empirical analysis documents strong demand spillovers in the retail segment of the U.S. mutual fund industry, in which fees are non-trivial, families offer a large number of funds, and the market is quite concentrated. Instead, spillovers are weaker, fees are lower, families offer fewer funds, and the market structure is more fragmented in the institutional segment. The current design of employer-sponsored defined-contribution retirement plans likely accounts for these differential demand patterns between the retail and the institutional segments.

Item Type: Article
Official URL:
Additional Information: © 2011 The Author
Divisions: Economics
Subjects: H Social Sciences > HG Finance
Sets: Departments > Economics
Date Deposited: 19 Feb 2014 08:58
Last Modified: 20 Aug 2019 18:18

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