1997
DOI: 10.1007/b98954
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Exponential Families of Stochastic Processes

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Cited by 169 publications
(128 citation statements)
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“…see Proposition 2.1.3 of Kűchler and Sørensen (1997) and Theorem 3.9 of Kyprianou (2006). It turns out that, in the light of this change of measure, it is important to introduce an additional parameter to the scale functions described above.…”
Section: Distributional Identitiesmentioning
confidence: 94%
“…see Proposition 2.1.3 of Kűchler and Sørensen (1997) and Theorem 3.9 of Kyprianou (2006). It turns out that, in the light of this change of measure, it is important to introduce an additional parameter to the scale functions described above.…”
Section: Distributional Identitiesmentioning
confidence: 94%
“…The martingale condition retains when we replace t with a locally predictable and continuous time change T t (Küchler and Sørensen (1997)):…”
Section: Constructing Risk-neutral Return Dynamicsmentioning
confidence: 99%
“…The literature has taken different approaches in arriving at the dynamics under a measure change. For measure changes defined by exponential martingales of a Lévy processes X, it is convenient to remember that ϕ P X (s) = ϕ Q X (s + γ) − ϕ Q X (γ) and that the drift adjustment of X is captured by η = ϕ P (1) − ϕ Q (1) (Küchler and Sørensen (1997)). For the simple case in (43) with X = σW , we have ϕ Q σW (1) = 1 2 σ 2 , and…”
Section: Market Price Of Risks and Statistical Dynamicsmentioning
confidence: 99%
“…Sørensen [45] gave a review of sequential maximum likelihood estimation in linearly parametrized diffusion type processes. Sørensen [46] (see also [24]) studied similar properties of SMLE for exponential families of stochastic processes. Musiela [40,41] studied sequential ML estimation in a linear diffusion model.…”
Section: Introductionmentioning
confidence: 96%