Results 31 to 40 of about 178 (138)

Compact Difference Schemes with Temporal Uniform/Non-Uniform Meshes for Time-Fractional Black–Scholes Equation

open access: yesFractal and Fractional, 2023
In this paper, we are interested in the effective numerical schemes of the time-fractional Black–Scholes equation. We convert the original equation into an equivalent integral-differential equation and then discretize the time-integral term in the ...
Jie Gu, Lijuan Nong, Qian Yi, An Chen
doaj   +1 more source

Why Have CEO Pay Levels Become Less Diverse?

open access: yesThe Journal of Finance, Volume 81, Issue 4, Page 1893-1950, August 2026.
ABSTRACT This paper documents a new stylized fact: the cross‐sectional variation in CEO pay levels has declined precipitously in recent years. We offer one explanation for this decline, namely, firms are increasingly benchmarking CEO compensation to industry peers closest in size, thereby creating pay clusters.
TORSTEN JOCHEM   +2 more
wiley   +1 more source

The Debt‐Equity Spread

open access: yesThe Journal of Finance, Volume 81, Issue 4, Page 2005-2062, August 2026.
ABSTRACT We propose a measure of the valuation gap between debt and equity—debt‐equity spread (DES)—based on the difference between actual and equity‐implied credit spreads. DES predicts cross‐sectional stock and bond returns in opposite directions.
HUI CHEN, ZHIYAO CHEN, JUN LI
wiley   +1 more source

The Numerical Solution of Fractional Black-Scholes-Schrodinger Equation Using the RBFs Method

open access: yesAdvances in Mathematical Physics, 2020
In this paper, radial basis functions (RBFs) method was used to solve a fractional Black-Scholes-Schrodinger equation in an option pricing of financial problems. The RBFs method is applied in discretizing a spatial derivative process.
Naravadee Nualsaard   +2 more
doaj   +1 more source

A Fast Computational Scheme for Solving the Temporal-Fractional Black–Scholes Partial Differential Equation

open access: yesFractal and Fractional, 2023
In this work, we propose a fast scheme based on higher order discretizations on graded meshes for resolving the temporal-fractional partial differential equation (PDE), which benefits the memory feature of fractional calculus.
Rouhollah Ghabaei   +3 more
doaj   +1 more source

Revising the Magnitude and Trends of the Global Methane Soil Sink With Process‐Based, Machine‐Learning, and Atmospheric Inversion Modeling Approaches

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 131, Issue 7, July 2026.
Abstract Methane (CH4) oxidation by microbes is the largest biological sink of global methane, yet its magnitude and long‐term variability remain uncertain. Here, we combined process‐based (PB), machine‐learning (ML), and atmospheric inversion approaches to evaluate the global methane soil sinks and its implication for the atmospheric CH4 budget in ...
Youmi Oh   +11 more
wiley   +1 more source

Inverse Multiquadric Function to Price Financial Options under the Fractional Black–Scholes Model

open access: yesFractal and Fractional, 2022
The inverse multiquadric radial basis function (RBF), which is one of the most important functions in the theory of RBFs, is employed on an adaptive mesh of points for pricing a fractional Black–Scholes partial differential equation (PDE) based on the ...
Yanlai Song, Stanford Shateyi
doaj   +1 more source

Inscribing Impact: Measurement Practices in the Making of Moral Markets

open access: yesJournal of Management Studies, Volume 63, Issue 3, Page 1229-1263, May 2026.
Abstract Moral markets, designed to generate positive impact on pressing social and environmental challenges, are transforming traditional market practices by including more than economic considerations in their operations. The importance of these markets continues to grow as investors, regulators, and consumers increasingly put pressure on companies ...
Guillermo Casasnovas   +2 more
wiley   +1 more source

An Efficient Method for Solving Fractional Black-Scholes Model with Index and Exponential Decay Kernels

open access: yesJournal of Function Spaces, 2022
The Black-Scholes equation (BSe) is fascinating in the business world for predicting the performance of financial investment valuation systems. The Caputo fractional derivative (CFD) and Caputo-Fabrizio fractional derivative operators are used in this ...
Saima Rashid   +3 more
doaj   +1 more source

Global Natural Soil N2O Emissions: An Analysis With a Global Biogeochemistry Model From 1990 to 2023

open access: yesGlobal Biogeochemical Cycles, Volume 40, Issue 4, April 2026.
Abstract Atmospheric N2O, the dominant ozone‐depleting substance and a potent greenhouse gas, has risen notably over recent decades. Using a process‐based model, we simulated the sensitivity of N2O emissions from undisturbed natural soils to the representation of historical land‐cover change from 1990 to 2023 by factoring the effects of atmospheric ...
Ye Yuan, Qianlai Zhuang
wiley   +1 more source

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