Showing 1 - 10 of 139
volatility and risk aversion that are similar to the ones observed in the data. In addition, the model produces an implied …
Persistent link: https://www.econbiz.de/10005858509
This paper provides regime-switching stochastic volatility extensions of the LIBOR market model. First, the … instantaneous forward LIBOR volatility is modulated by a continuous time homogeneous Markov chain. In a second parameterization, the … volatility is modelled by a square root process with a regime-switching reference level. We obtain analytical solutions for the …
Persistent link: https://www.econbiz.de/10005858810
new explanation of the smile pattern of implied volatility related to the lack of market liquidity. Finally we present …
Persistent link: https://www.econbiz.de/10005859384
pricing dierencesbetween index and stock options, the cross-sectional variation in stock option expensiveness,the volatility …
Persistent link: https://www.econbiz.de/10009354100
This paper studies the term structure implications of a simple structural economy in which the representative agent displays ambiguity aversion, modeled by Multiple Priors Recursive Utility. Bond excess returns reflect a premium for ambiguity, which is observationally distinct from the risk...
Persistent link: https://www.econbiz.de/10005858032
This pap er intro duces a general framework for market mo dels, namedM arket M o del Approach, through the concept of admissible sets of for-ward swap rates spanning a given tenor structure. We relate this conceptto results in graph theory by showing that a set is admissible if and only ifthe...
Persistent link: https://www.econbiz.de/10005858304
span the volatility risk, an investor increases her investment in theunderlying stock. In addition, the investors indirect … utility increases significantly when allowed to span the volatility risk using variance swap contracts. …
Persistent link: https://www.econbiz.de/10005858375
The paper investigates how buyer-supplier firm-specific relationships affect security prices. Starting from the empirical inconsistencies associated with some standard structural models we propose a structural model of firm dependence in a vertically connected network of firms based on cash flow...
Persistent link: https://www.econbiz.de/10005858385
In this article, we describe the various sorts of American Parisian options and propose valuation formulae. Although there is no closed-form valuation for these products in the non perpetual case, we have been able to reformulate their price as a function of the exercise frontier. In the...
Persistent link: https://www.econbiz.de/10005858581
The challenge of international term structure models is to simultaneously account for the properties of interest rate term structures and foreign exchange rates within an arbitrage-free framework. We extend the quadratic term structure models proposed in Leippold and Wu (2002) to multiple...
Persistent link: https://www.econbiz.de/10005858853