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|Title:||Greeks Formulas for an Asset Price Model with Gamma Processes|
|Publisher:||John Wiley & Sons|
|Citation:||Mathematical Finance, 2011, 21 (4), pp. 723-742|
|Abstract:||Greeks formulas of Delta, Rho, Vega, and Gamma are derived in closed formfor asset price dynamics described by gamma processes and Brownian motions time-changed by a gamma process. The model considered here includes many well-known models of practical interest, such as the variance gamma model and the Black–Scholes model. Our approach is based upon the Malliavin calculus for jump processes by making full use of a scaling property of gamma processes with respect to the Girsanov transform. The existence of their variance is investigated. Numerical results are provided to illustrate that the derived Greeks formulas have faster rate of convergence relative to the finite difference method.|
|Rights:||2010 Wiley Periodicals, Inc.|
|Description:||Full text of this item is not currently available on the LRA. The final published version may be available through the links above.|
|Appears in Collections:||Published Articles, Dept. of Mathematics|
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