Results 211 to 220 of about 2,480,415 (283)

High School GPA and Exam Scores: Does Their Relevance for First‐Year Academic Performance Vary With Program Selectivity?

open access: yesBulletin of Economic Research, Volume 78, Issue 4, Page 784-802, October 2026.
ABSTRACT This paper examines student admissions to higher education based on past performance, focusing on two measures: high school GPA and national exam scores. GPA is teacher‐assigned and based on repeated assessments, while these exams are externally graded, one‐off standardized tests. Using a nationwide dataset, we investigate how the relevance of
Pedro Luis Silva   +2 more
wiley   +1 more source

Asymptotic Controllability of Coupled Fractional Stochastic Sobolev-Type Systems with a Nonlocal Condition

open access: gold
Tayeb Blouhi   +6 more
openalex   +1 more source

Scale‐Conditioned Geometry: How Measurement Resolution Induces Distance, Proximity, and Spatial Dependence

open access: yesGeographical Analysis, Volume 58, Issue 4, October 2026.
ABSTRACT Scale is central to inference in natural and social systems, and geography and ecology have treated it as an explicit object of theory for decades. This paper builds on that work with a formal view in which scale is a degree of freedom of description, parameterizing both the mappings between representations and the metric defining distance and
Eric Vaz
wiley   +1 more source

Disaster Relief Through a Complex Adaptive System Perspective: Firms' Motivations, Activities, and the Role of Operations Adaptability in Overlapping Landscapes

open access: yesJournal of Business Logistics, Volume 47, Issue 4, October 2026.
ABSTRACT Natural disasters disrupt the normal functioning of both communities and businesses. However, past literature often segregates the disaster relief view from the business continuity perspective, leaving a gap in understanding how firms can proactively support relief efforts.
Thu Trang Hoang   +2 more
wiley   +1 more source

Random Carbon Tax Policy and Investment Into Emission Abatement Technologies

open access: yesMathematical Finance, Volume 36, Issue 4, Page 804-825, October 2026.
ABSTRACT We analyze the problem of a profit‐maximizing electricity producer, subject to carbon taxes, who decides on investments into CO2$\rm CO_2$ abatement technologies. We assume that the carbon tax policy is random and that the investment in the abatement technology is divisible, irreversible, and subject to transaction costs.
Katia Colaneri   +2 more
wiley   +1 more source

Dam Management in the Era of Climate Change

open access: yesMathematical Finance, Volume 36, Issue 4, Page 870-895, October 2026.
ABSTRACT Climate change has a dramatic impact, particularly by concentrating rainfall into a few short periods, interspersed with long dry spells. In this context, the role of dams is crucial. We consider the optimal control of a dam, where the water level must neither exceed a designated safety threshold nor fall below a minimum level to ensure ...
Cristina Di Girolami   +3 more
wiley   +1 more source

Kinetic and Mean‐Field Modeling of Muscular Dystrophies

open access: yesStudies in Applied Mathematics, Volume 157, Issue 4, October 2026.
ABSTRACT We present a new class of models for assessing the cell dynamics characterizing muscular dystrophies. The proposed approach comprises a system of integro‐differential equations for the statistical distributions, over a large patient cohort, of the densities of muscle fibers and immune cells implicated in muscle inflammation, degeneration, and ...
Tommaso Lorenzi   +2 more
wiley   +1 more source

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