A Stochastic Dominance Approach to Spanning
2002-02-05
Research Paper
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We develop a Stochastic Dominance methodology to analyze if new assets expand the investment possibilities for rational nonsatiable and risk-averse investors. This methodology avoids the simplifying assumptions underlying the traditional mean-variance approach to spanning. The methodology is applied to analyze the stock market behavior of small firms in the month of January. Our findings suggest that the previously observed January effect is remarkably robust with respect to simplifying assumptions regarding the return distribution.
Keywords
Classifications using
Journal of Economic Literature (JEL) Classification System
- G3 : Corporate Finance and Governance
- M : Business Administration and Business Economics; Marketing; Accounting
- C19 : Econometric and Statistical Methods: Other
Automatically Extracted Terms
- decile
- portfolio
- asset
- distribution
- return
- investor
- approach
- sample
- january
- statistic
- january effect
- error
- decile portfolios
- result
- dominance
- type ii error
- return distribution
- observation
- analysis
- function
