P
Peter H. Ritchken
Researcher at Case Western Reserve University
Publications - 101
Citations - 4445
Peter H. Ritchken is an academic researcher from Case Western Reserve University. The author has contributed to research in topics: Valuation of options & Interest rate. The author has an hindex of 33, co-authored 100 publications receiving 4249 citations. Previous affiliations of Peter H. Ritchken include University of Cape Town & Hebrew University of Jerusalem.
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Competition and Diversification Effects in Supply Chains with Supplier Default Risk
TL;DR: It is shown that low supplier default correlations dampen competition among the suppliers, increasing the equilibrium wholesale prices, and the retailer prefers suppliers with highly correlated default events, despite the loss of diversification benefits.
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Pricing Options under Generalized GARCH and Stochastic Volatility Processes
TL;DR: In this article, an efficient lattice algorithm was developed to price European and American options under discrete time GARCH processes, with many of the existing stochastic volatility bivariate diffusion models appearing as limiting cases.
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Multinomial Approximating Models for Options with k State Variables
Bardia Kamrad,Peter H. Ritchken +1 more
TL;DR: In this article, new multinomial models are presented that include as special cases existing models and more general models are shown to be computationally more efficient than the more general ones.
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Volatility structures of forward rates and the dynamics of the term structure1
TL;DR: In this article, conditions on the volatility structure of forward rates that permit the dynamics of the term structure to be represented by a two-dimensional state variable Markov process are identified. But, in general, analytical characterization of the terminal distributions of the two state variables is unlikely, and numerical procedures are required to value claims.
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On Pricing Barrier Options
TL;DR: How a very simple and extremely efficient trinomial lattice procedure can be used to price and hedge most types of exotic barriers is explained.