Showing 1 - 10 of 672
We conduct a comprehensive analysis of unspanned stochastic volatility in commodity markets in general and the crude …-oil market in particular. We present model-free results that strongly suggest the presence of unspanned stochastic volatility in … stochastic volatility. The model features correlations between innovations to futures prices and volatility, quasi …
Persistent link: https://www.econbiz.de/10012465916
We develop a tractable and flexible stochastic volatility multi-factor model of the term structure of interest rates …
Persistent link: https://www.econbiz.de/10012466328
This paper develops a methodology for testing the term structure of volatility forecasts derived from stochastic … volatility models, and implements it to analyze models of S&P 500 index volatility. Volatility models are compared by their … ability to hedge options positions sensitive to the term structure of volatility. Overall, the most effective hedge is a Black …
Persistent link: https://www.econbiz.de/10012473941
An efficient method is developed for pricing American options on combination stochastic volatility …/jump-diffusion processes when jump risk and volatility risk are systematic and nondiversifiable, thereby nesting two major option pricing … models. The parameters implicit in PHLX-traded Deutschemark options of the stochastic volatility/jump- diffusion model and …
Persistent link: https://www.econbiz.de/10012474344
We provide the definition and a complete characterization of regular affine processes. This type of process unifies the concepts of continuousstate branching processes with immigration and Ornstein-Uhlenbeck type processes. We show, and provide foundations for, a wide range of financial...
Persistent link: https://www.econbiz.de/10012469573
Asset returns have traditionally been modeled in the literature as following continuous-time Markov processes, and in many cases diffusions. Can discretely sampled financial rate data help us decide which continuous-time models are sensible? Diffusion processes are characterized by the...
Persistent link: https://www.econbiz.de/10012470214
In this paper we develop a rational expectations exchange rate model which is capable of confronting explicitly agents' beliefs about a future switch in exogenous driving processes. In our set-up the agents know with certainty both the initial exogenous process and the new process to be adopted...
Persistent link: https://www.econbiz.de/10012478497
the mean and volatility of equity returns. Our model assumes a small risk of a rare disaster that is calibrated based on … turns out to be crucial to the model's ability to explain both equity volatility and option prices. We explore different …
Persistent link: https://www.econbiz.de/10012459050
-dependent options and options on assets with stochastic volatility and jumps. " …
Persistent link: https://www.econbiz.de/10012472561
We implement a multifrequency volatility decomposition of three exchange rates and show that components with similar …) introduced in Calvet and Fisher (2001, 2004). Bivariate MSM is a stochastic volatility model with a closed-form likelihood …
Persistent link: https://www.econbiz.de/10012467993