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COMPARISONS FOR BACKWARD STOCHASTIC DIFFERENTIAL EQUATIONS ON MARKOV CHAINS AND RELATED NO-ARBITRAGE CONDITIONS
Accessioned
2012-06-13T16:11:43ZAvailable
2012-06-13T16:11:43ZIssued
2010Other
non-linear expectationdynamic risk measures
comparison theorem
Subject
Backward stochastic differential equationMarkov chains
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Abstract
Most previous contributions to BSDEs, and the related theories of nonlinear expectation and dynamic risk measures, have been in the framework of continuous time diffusions or jump diffusions. Us- ing solutions of BSDEs on spaces related to finite state, continuous time Markov chains, we develop a theory of nonlinear expectations in the spirit of [Dynamically consistent nonlinear evaluations and expec- tations (2005) Shandong Univ.]. We prove basic properties of these expectations and show their applications to dynamic risk measures on such spaces. In particular, we prove comparison theorems for scalar and vector valued solutions to BSDEs, and discuss arbitrage and risk measures in the scalar case.Refereed
YesArticle deposited according to publisher policy posted on SHERPA/ROMEO, June 13, 2012