Results 151 to 160 of about 10,598,022 (245)

Spectral calibration of exponential Lévy Models [1] [PDF]

We investigate the problem of calibrating an exponential Lévy model based on market prices of vanilla options. We show that this inverse problem is in general severely ill-posed and we derive exact minimax rates of convergence.
Denis Belomestny, Markus Reiß
core  

ESG And Market Power: Evidence From a Concentrated Financial Sector

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT This study examines the impact of Environmental, Social and Governance (ESG) factors on market power in the Kuwait financial sector for the period 2018–2023. Market power is measured using stochastic frontier analysis (SFA), and the System Generalized Method of Moments (GMM) is employed as the main method.
Abdullah Aldousari
wiley   +1 more source

Endoscopic transforaminal discectomy for far lateral disc herniation at L3-L4: A 2-dimensional operative video. [PDF]

Surg Neurol Int
Ratnaparkhi A, Levy AS, Shah KH, Burks SS.   +3 more
europepmc   +1 more source

Exploring the Role of Competitiveness in Sustainability Standards: Insights From an Animal Welfare Scheme Adopted by Supermarkets

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT Research on supermarket‐related voluntary sustainability standards (VSSs) is divided on whether competition helps or hinders efforts to reduce negative social and environmental impacts. This paper examines how the standardization process shapes these outcomes.
Frits Kremer, Frank de Bakker, Christine Moser, Hens Runhaar   +3 more
wiley   +1 more source

Intelligent compensation method for measurement errors in optical fiber current sensor caused by temperature variation based on the Levy-Weighted-QPSO-NN algorithm. [PDF]

PLoS One
Cheng L, Luo J, Si W, Han Y, Zuo K, Sun H, Niu B, Ren S.   +7 more
europepmc   +1 more source

Les dindons de Panurge

, 1882
Marca de ed.
Vèron, Pierre
core  

Advances in Design Strategy and Mechanism Insights for Alkaline Hydrogen Evolution Reaction: Multilevel Site Engineering and Structure–Activity Relationship

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This review is about material design based on engineering multilevel sites from theoretical calculation and synthetic routes to mechanism, structure–activity relationship, challenges and perspectives for boosting hydrogen production in alkaline electrolyte. Electrolytic water splitting is a clean, carbon‐free method for producing green hydrogen and has
Ke Zhang, Hongying Luo, Yudong Du, Kehao Yu, Huayu Wu, Shimin Chai, Yanyan Liu, Yongfeng Wang, Jianchun Jiang, Baojun Li   +9 more
wiley   +1 more source

Performance of multi-strategy optimized mayfly optimization algorithm for location selection of university reimbursement form submission terminals. [PDF]

Sci Rep
Yang Z, Wang J.
europepmc   +1 more source

Environmental Statecraft, Fragmented Authoritarianism, and Technocratic Governance: The Structure and Agency of China's Local Environmental Politics

Environmental Policy and Governance, EarlyView.
ABSTRACT Local environmental politics in China is often said to be dominated by state‐controlled modes of multi‐level governance. However, top‐down governance is embedded within and transformed by local politics, adding complexity to governance practices and environmental outcomes.
Minsi Liu, Kevin Lo
wiley   +1 more source

Barriers and enablers to return to work after stroke in Maputo, Mozambique: A qualitative study. [PDF]

Afr J Disabil
Pinto LMMF.
europepmc   +1 more source