Results 131 to 140 of about 809,351 (338)

Family Capitalism Corporate Governance Theory [PDF]

open access: yes
Family firms, which are prevalent around the world both for small organizations and large corporations, are usually more performant than other types of firms.
Jellal, Mohamed
core   +1 more source

Principal-agent theory and research policy: An introduction [PDF]

open access: yes, 2017
The rational choice perspective is prominent in many sociological, economic and political science literature but has been undervalued until now in the field of science studies. This special issue attempts to revalorise this perspective by introducing the
Braun, Dietmar, Guston, David H.
core  

Sex Differences in Medication Discontinuation in Axial Spondyloarthritis

open access: yesArthritis Care &Research, EarlyView.
Objective We examined sex differences in medication discontinuation among patients with axial spondyloarthritis (axSpA) initiating tumor necrosis factor inhibitors (TNFi), interleukin‐17 inhibitors (IL‐17i), or JAK inhibitors (JAKi). Methods Using data from the Rheumatology Informatics System for Effectiveness (RISE) Registry (2003–2025), we assessed ...
Rachael Stovall   +9 more
wiley   +1 more source

The Structural Estimation of Principal-Agent Models by Least Squares: Evidence from Land Tenancy in Madagascar [PDF]

open access: yes
We develop a method to structurally estimate principal-agent models by ordinary least squares (OLS). We set up a general principal-agent model which explicitly incorporates the wealth levels of each party and the opportunity cost to the agent of entering
Bellemare, Marc F., Brown, Zachary S.
core   +1 more source

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

open access: yesInternational Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam   +2 more
wiley   +1 more source

Indirect Interventions in Civil Wars: The Use of States as Proxies in Military Interventions

open access: yesCzech Journal of International Relations, 2019
Current research on motivational sources of military interventions in civil wars frequently assumes that states intervene due to direct interests in the civil war country.
Klosek, Kamil
doaj  

Does Monitoring Decrease Work Effort ? The Complementarity Between Agency and Crowding-Out Theorie [PDF]

open access: yes
Agency theory assumes that tighter monitoring by the principal should motivate the agent to raise his effort level whereas the “crowding-out” literature suggests that it may reduce the overall work effort.
David Dickinson, Marie-Claire Villeval
core  

Trace Nickel Activated Biphasic Core‐CuOii/Shell‐CuOi Secondary Microspheres Enable Room Temperature Parts‐Per‐Trillion‐Level NO2 Detection

open access: yesAdvanced Engineering Materials, EarlyView.
An idea of designing novel sensors is proposed by creating appropriate Schottky barriers and vacancies between isomorphous Core‐CuOii/ Shell‐CuOi secondary microspheres and enhancing catalytic and spill‐over effects, and electronegativity via spontaneous biphasic separation, self‐assembly, and trace‐Ni‐doping.
Bala Ismail Adamu   +8 more
wiley   +1 more source

Screen‐Printed Flexible Piezoelectric Force Sensor Array with Electromagnetic Interference Shielding

open access: yesAdvanced Engineering Materials, EarlyView.
This article introduces a flexible screen‐printed piezoelectric sensor array designed for low‐frequency healthcare applications such as tactile sensing and cardiovascular monitoring. The device integrates interface electronics enabling the simultaneous acquisition of up to 128 signals, along with flexible EMI shielding that significantly reduces noise ...
Joseph Faudou   +6 more
wiley   +1 more source

Understanding and Optimizing Li Substitution in P2‐Type Sodium Layered Oxides for Sodium‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
This work explores Li‐substituted P2 layered oxides for Na‐ion batteries by crystallographic and electrochemical studies. The effect of lithium on superstructure orderings, on phase transitions during synthesis and electrochemical cycling and on the interplay of O‐ versus TM‐redox is revealed via various advanced techniques, including semi‐simultaneous 
Mingfeng Xu   +5 more
wiley   +1 more source

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