Results 51 to 60 of about 775 (103)

Lie Symmetry Analysis for the Fractal Bond‐Pricing Model of Mathematical Finance

open access: yesJournal of Mathematics, Volume 2024, Issue 1, 2024.
The classical bond‐pricing models, as important financial tools, show strong vitality in bond pricing. However, these models also expose their theoretical defects, which leads to inconsistencies with the actual observation results and usually causes the theoretical prices of bonds to be lower than the actual market prices in the financial market.
Chao Yue, Chuanhe Shen, M. M. Bhatti
wiley   +1 more source

Properties, Bounds, and Estimation of Rényi Entropy in Consecutive k‐out‐of‐n:G Systems

open access: yesJournal of Mathematics, Volume 2024, Issue 1, 2024.
This study investigates the Renyi entropy properties of consecutive k‐out‐of‐n : G systems. Initially, a formula for the Renyi entropy of the lifetime of a consecutive k‐out‐of‐n:G system is derived, offering a thorough insight into its Renyi entropy characteristics.
Mansour Shrahili, Antonio Di Crescenzo
wiley   +1 more source

The Fractional Ornstein-Uhlenbeck Process: Term Structure Theory and Application [PDF]

open access: yes
The paper revisits dynamic term structure models (DTSMs) and proposes a new way in dealing with the limitation of the classical affine models. In particular, this paper expands the flexibility of the DTSMs by applying a fractional Brownian motion as the ...
Frederiksen, Per H., Høg, Espen P.
core  

Specification analysis in regime-switching continuous-time diffusion models for market volatility [PDF]

open access: yes, 2016
We examine model specification in regime-switching continuous-time diffusions for modeling S&P 500 Volatility Index (VIX). Our investigation is carried out under two nonlinear diffusion frameworks, the NLDCEV and the CIRCEV frameworks, and our focus is ...
Bu, R, Cheng, J, Hadri, K
core   +1 more source

Comments on “A selective overview of nonparametric methods in financial econometrics†[PDF]

open access: yes
In recent years there has been increased interest in using nonparametric methods to deal with various aspects of financial data. The paper by Fan overviews some nonparametric techniques that have been used in the financial econometric literature ...
Jun Yu, Peter C. B. Phillips
core   +1 more source

The Fractional OU Process: Term Structure Theory and Application [PDF]

open access: yes
The paper revisits dynamic term structure models (DTSMs) and proposes a new way in dealing with the limitation of the classical affine models. In particular, this paper expands the flexibility of the DTSMs by applying a fractional Brownian motion as the ...
Esben Hoeg, Per Frederiksen
core  

Modelling the Evolution of Credit Spreads in the United States [PDF]

open access: yes
The authors use Jarrow and Turnbull's (1995) reduced-form methodology to model the evolution of the term structure of interest rates in the United States for different credit classes and different industries.
Jun Yang, Stuart M. Turnbull
core  

Comments on “A Selective Overview of Nonparametric Methods in Financial Econometrics” by Jianqing Fan [PDF]

open access: yes
Our comments on Fan’s paper will concentrate on two issues that relate in important ways to the paper’s focus on misspecification and discretization bias and the role of nonparametric methods in empirical finance.
Jun Yu, Peter C. B. Phillips
core  

Credit Modelling: Generating Spread Dynamics with Intensities and Creating Dependence with Copulas

open access: yes, 2011
The thesis is an investigation into the pricing of credit risk under the intensity framework with a copula generating default dependence between obligors.
Oduneye, Chris Emeka   +1 more
core   +1 more source

LEAST SQUARES ESTIMATORS OF DRIFT PARAMETER FOR DISCRETELY OBSERVED FRACTIONAL VASICEK-TYPE MODEL

open access: yesInternational Journal of Advanced Research
We study the drift parameter estimation problem for a fractional Vasicek-typemodel X:={X_t,t⩾0}, that is defined as dX_t=θ(µ+X_t)dt+dB_t^H, t⩾0 withunknown parameters θ>0 and µ∈ℝ, where {B_t^H,t⩾0}is a fractional Brownianmotion of Hurst index H ∈]0, 1 ...
Maoudo Faramba Balde   +2 more
openaire   +1 more source

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