Existence of affine realizations for L\'evy term structure models

Stefan Tappe

Papers from arXiv.org

Abstract: We investigate the existence of affine realizations for term structure models driven by L\'evy processes. It turns out that we obtain more severe restrictions on the volatility than in the classical diffusion case without jumps. As special cases, we study constant direction volatilities and the existence of short rate realizations.

Date: 2019-07
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Published in Proceedings of The Royal Society of London. Series A. Mathematical, Physical and Engineering Sciences 468(2147):3685-3704, 2012

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