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Working Paper Series no. 56: Gram-Charlier Densities


The Gram-Charlier expansion, where skewness and kurtosis directly appear as parameters, has become popular in Finance as a generalization of the normal density. We show how positivity constraints can be numerically implemented, thereby guaranteeing that the expansion defines a density. The constrained expansion can be referred to as a Gram-Charlier density. First, we apply our method to the estimation of risk neutral densities. Then, we assess the statistical properties of maximum-likelihood estimates of Gram-Charlier densities. Lastly, we apply the framework to the estimation of a GARCH model where the conditional density is a Gram-Charlier density.

Eric Jondeau and Michael Rockinger
July 1999

Classification JEL : C40, C63, G13, F31.

Keywords : Hermite expansions; Semi-nonparametric estimation; Risk-neutral density; GARCH model

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Working Paper Series no. 56: Gram-Charlier Densities
  • Published on 01/01/1999
  • 41 pages
  • EN
  • PDF (760.17 KB)
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Updated on: 06/12/2018 11:09