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- W344047452 abstract "This paper deals with further developments of the new theory that applies stochastic differential geometry (SDG) to dynamics of interest rates. We examine mathematical constraints on the evolution of interest rate volatilities that arise from stochastic differential calculus under assumptions of an arbitrage free evolution of zero coupon bonds and developed markets (i.e., none of the party/factor can drive the whole market). The resulting new theory incorporates the Heath-Jarrow-Morton (HJM) model of interest rates and provides new equations for volatilities which makes the system of equations for interest rates and volatilities complete and self consistent. It results in much smaller amount of volatility data that should be guessed for the SDG model as compared to the HJM model. Limited analysis of the market volatility data suggests that the assumption of the developed market is violated around maturity of two years. Such maturities where the assumptions of the SDG model are violated are suggested to serve as boundaries at which volatilities should be specified independently from the model. Our numerical example with two boundaries (two years and five years) qualitatively resembles the market behavior. Under some conditions solutions of the SDG model become singular that may indicate market crashes. More detailmore » comparison with the data is needed before the theory can be established or refuted.« less" @default.
- W344047452 created "2016-06-24" @default.
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- W344047452 date "1996-12-31" @default.
- W344047452 modified "2023-09-26" @default.
- W344047452 title "Application of stochastic differential geometry to the term structure of interst rates in developed markets" @default.
- W344047452 hasPublicationYear "1996" @default.
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