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stochastic models

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  • Stochastic models — Liability matching models that assume that the liability payments and the asset cash flows are uncertain. Related: Deterministic models. The New York Times Financial Glossary …   Financial and business terms

  • stochastic models — liability matching models that assume that the liability payments and the asset cash flows are uncertain. Related: deterministic models. Bloomberg Financial Dictionary …   Financial and business terms

  • Stochastic — (from the Greek Στόχος for aim or guess ) means random.A stochastic process is one whose behavior is non deterministic in that a state s next state is determined both by the process s predictable actions and by a random element. Stochastic crafts …   Wikipedia

  • Stochastic modelling (insurance) — This page is concerned with the stochastic modelling as applied to the insurance industry. For other stochastic modelling applications, please see Monte Carlo method. For mathematical definition, please see Stochastic process.tochastic model… …   Wikipedia

  • Stochastic volatility — models are used in the field of quantitative finance to evaluate derivative securities, such as options. The name derives from the models treatment of the underlying security s volatility as a random process, governed by state variables such as… …   Wikipedia

  • Stochastic programming — is a framework for modeling optimization problems that involve uncertainty. Whereas deterministic optimization problems are formulated with known parameters, real world problems almost invariably include some unknown parameters. When the… …   Wikipedia

  • Stochastic approximation — methods are a family of iterative stochastic optimization algorithms that attempt to find zeroes or extrema of functions which cannot be computed directly, but only estimated via noisy observations. The first, and prototypical, algorithms of this …   Wikipedia

  • Stochastic Frontier Analysis — is a method of economic modeling. It has its starting point in the stochastic production frontier models simultaneously introduced by Aigner, Lovell and Schmidt (1977) and Meeusen and Van den Broeck (1977).The production frontier model without… …   Wikipedia

  • Models of collaborative tagging — Many have argued that social tagging or collaborative tagging systems can provide navigational cues or “way finders” [1][2] for other users to explore information. The notion is that, given that social tags are labels that users create to… …   Wikipedia

  • Stochastic Volatility - SV — A statistical method in mathematical finance in which volatility and codependence between variables is allowed to fluctuate over time rather than remain constant. Stochastic in this sense refers to successive values of a random variable that are… …   Investment dictionary

  • Stochastic context-free grammar — A stochastic context free grammar (SCFG; also probabilistic context free grammar, PCFG) is a context free grammar in which each production is augmented with a probability. The probability of a derivation (parse) is then the product of the… …   Wikipedia

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