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"One key stylized fact in the empirical option pricing literature is the existence of an implied volatility surface … (IVS). The usual approach consists of fitting a linear model linking the implied volatility to the time to maturity and the … Dumas et al. (1998). In the second-stage we model the dynamics of the cross-sectional first-stage implied volatility surface …
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"This paper proposes a new tractable approach to solving asset allocation problems in situations with a large number of risky assets which pose problems for standard numerical approaches. Investor preferences are assumed to be defined over moments of the wealth distribution such as its skewness...
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