Market timing: A decomposition of mutual fund returns
2003-10-20
Research Paper
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We decompose the conditional expected mutual fund return in five parts. Two parts, selectivity and expert market timing, can be attributed to manager skill, and three to variation in market exposure that can be achieved by private investors as well. The dynamic model that we use to estimate the relative importance of the components in the decomposition is a generalization of the performance evaluation models by Lockwood and Kadiyala (1988) and Ferson and Schadt (1996). We find that the restrictions imposed in existing models may lead to different inferences about manager selectivity and timing skill. The results from our sample of 78 asset allocation mutual funds indicate that several funds exhibit significant expert market timing, but for most funds variation in market exposures does not yield any economically significant return. Funds with high turnover and expense ratios are associated with managers with better skills.
- M41 : Accounting
- G3 : Corporate Finance and Governance
- G23 : Pension Funds; Other Private Financial Institutions
- M : Business Administration and Business Economics; Marketing; Accounting
- market
- return
- timing
- exposure
- model
- market exposure
- manager
- selectivity
- skill
- market return
- component
- turnover
- sample
- performance
- expense
- ratio
- management
- investor
- expense ratios
- estimate
