Abstract

http://ssrn.com/abstract=1108728
 
 

References (38)



 
 

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Are ETFs Replacing Index Mutual Funds?


Jennifer C. Huang


University of Texas at Austin - Department of Finance

Ilan Guedj


Analysis Research Planning Corporation (ARPC)

March 15, 2009

AFA 2009 San Francisco Meetings Paper

Abstract:     
We develop an equilibrium model to investigate whether an Exchange-Traded Fund (ETF) is a more efficient indexing vehicle than an Open-Ended Mutual Fund (OEF). We find that while flow-induced trading is costly to OEF investors, it is also beneficial to those investors who cause the flow -- it is simply a zero-sum game. Indeed, the OEF structure can be viewed as providing insurance for investors with liquidity shocks, and hence is beneficial for risk averse investors. However, this liquidity insurance is not without cost -- it can cause moral hazard %that induce excessive trading and reduce the OEF performance. Moreover, we find that investors with higher individual liquidity needs prefer to invest via the OEF since they benefit more from the liquidity insurance. Surprisingly, the OEF structure is still viable despite the concentration of higher-liquidity-need investors in the OEF. The reason is that flow-induced trading costs depend only on the aggregate liquidity need, not on individual liquidity needs, which cancel out at the fund level. As a result, OEFs and ETFs coexist in equilibrium with different liquidity clienteles. Finally, we derive empirical predictions that ETFs are better suited for narrower and less liquid underlying indexes, and for investors with longer investment horizons.

Number of Pages in PDF File: 41

Keywords: ETF, Index Mutual Fund, Transaction Costs

JEL Classification: G23

working papers series


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Date posted: March 24, 2008 ; Last revised: November 17, 2009

Suggested Citation

Huang, Jennifer C. and Guedj, Ilan, Are ETFs Replacing Index Mutual Funds? (March 15, 2009). AFA 2009 San Francisco Meetings Paper. Available at SSRN: http://ssrn.com/abstract=1108728 or http://dx.doi.org/10.2139/ssrn.1108728

Contact Information

Jennifer Chunyan Huang (Contact Author)
University of Texas at Austin - Department of Finance ( email )
McCombs School of Business, B6600
Austin, TX 78712
United States
512-232-9375 (Phone)
512-471-5073 (Fax)
Ilan Guedj
Analysis Research Planning Corporation (ARPC) ( email )
1220 19th Street, NW
Suite 700
Washington, DC 20036
United States
HOME PAGE: http://www.arpc.com/about/leadership/ilan-guedj-phd
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