Results 171 to 180 of about 13,790 (290)

Market Insurance and Risk Pooling in U.S. Crop Insurance

open access: yesAgricultural Economics, Volume 57, Issue 2, March 2026.
ABSTRACT A common assumption is that multiple‐peril crop insurance markets suffer from market failures, thus justifying government intervention in the form of premium subsidies, operating allowances, and reinsurance agreements. One prominent rationale for intervention involves geographic correlation in agricultural production which leads to systemic ...
Fan Fan   +3 more
wiley   +1 more source

A new non-parametric Kendall's tau for matrix-valued elliptical observations [PDF]

open access: green, 2022
Yong He   +4 more
openalex   +1 more source

The effectiveness of a principle‐based professional development programme in promoting teachers' high‐level talk in primary mathematics classrooms

open access: yesBritish Journal of Educational Psychology, Volume 96, Issue 1, Page 356-381, March 2026.
Abstract Introduction We investigate whether a principle‐based professional development programme can effectively promote teachers' talk in primary mathematics classrooms. The programme aimed to implement accountable talk (AT), integrating three design principles: (a) incorporating authentic classroom episodes, alongside individual and collective ...
Noa Brandel   +3 more
wiley   +1 more source

Motivational Attributes of Foreign Language Teachers: What Students Think

open access: yesEuropean Journal of Education, Volume 61, Issue 1, March 2026.
ABSTRACT While the relationship between teacher attributes and the motivation and achievements of language learners has been extensively studied in the past decades, the relevant research that addresses the evolving educational context of China has been relatively limited.
Huifang Liu, Barry Bai, Gurpinder Lalli
wiley   +1 more source

Co‐Application of Biochar and Organic Matter With Synthetic Fertilisers Improves Nitrogen Use Efficiency, Rice Yield and Benefit–Cost Ratio: A Meta‐Analysis

open access: yesGCB Bioenergy, Volume 18, Issue 3, March 2026.
Co‐applying biochar and organic matter with synthetic fertilisers improves nitrogen use efficiency, nitrogen uptake, crop yield, and economic return. ABSTRACT Optimising the efficiency of applied nitrogen (N) fertilisers is essential to sustain agricultural systems.
Negar Omidvar   +12 more
wiley   +1 more source

IPCW Estimator for Kendall's Tau under Bivariate Censoring [PDF]

open access: bronze, 2009
Lajmi Lakhal   +2 more
openalex   +1 more source

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