English, Article edition: CLOSED FORM SOLUTIONS FOR QUADRATIC AND INVERSE QUADRATIC TERM STRUCTURE MODELS PETER LAURENCE; TAI-HO WANG

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Bookmark: http://trove.nla.gov.au/version/83143
Physical Description
  • article
Language
  • English

Edition details

Title
  • CLOSED FORM SOLUTIONS FOR QUADRATIC AND INVERSE QUADRATIC TERM STRUCTURE MODELS
Author
  • PETER LAURENCE
  • TAI-HO WANG
Physical Description
  • article
Notes
  • We find fundamental solutions in closed form for a family of parabolic equations with two spatial variables, whose symmetry groups had been determined in an earlier paper by Finkel [12]. We show how these results can be applied in finance to yield closed form solutions for special affine and quadratic two factor term structure models as well as a new class of models with inverse square behavior. The latter can be considered a partial extension to two factors of pricing models related to the Bessel process devised by Albanese and Campolieti [3] and Albanese et al. [2]. A by-product of our results is that Lie's reduction method in this setting leads only to fundamental solutions that can be factorized as products of functions that depend jointly on time and on one spatial coordinate. Thus all the results in this paper extend immediately to n factor models.
  • FokkerâPlanck equations, Lie groups, option pricing, symmetry analysis
  • RePEc:wsi:ijtafx:v:08:y:2005:i:08:p:1059-1083
Language
  • English
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