Results 211 to 220 of about 15,100,752 (291)

Using pre‐ and post‐entry data to identify the effect of ethanol plant entry on the spatial pattern of corn prices: A study in Indiana

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract We estimate the long‐run effect of ethanol plant entry on local corn prices using a long‐horizon difference‐in‐differences framework that combines matching with fixed effects while explicitly accounting for treatment intensity and spatial heterogeneity.
Jinho Jung   +2 more
wiley   +1 more source

Placing very long branch taxa in the plant tree of life: A case study with Dioscoreales mycoheterotrophs

open access: yesAmerican Journal of Botany, EarlyView.
Abstract Premise The inclusion of heterotrophic plants in broader systematic studies is challenging due to substantial morphological modification, gene loss, and accelerated substitution rates following photosynthesis loss. In particular, inclusion of very long branch (VLB) taxa with highly elevated rates may lead to phylogenomic misinference.
Marybel Soto Gomez   +7 more
wiley   +1 more source

Two years and counting: The dynamics of long‐term youth mentoring and association with parent and peer relationships

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract The current study seeks to explore the reciprocal associations between mentor–mentee relationship strength and relationships with parents and peers across 2 years of mentoring. It is a secondary analysis of data collected by a national mentoring organization from youth (N = 1368; M age = 11.5 years; 59% female; White [n = 629], 30% Black [n ...
Westley L. Fallavollita   +1 more
wiley   +1 more source

It's a Match, Isn't It? Developing a Checklist on Matching Secondary Data at the Example of Job Control

open access: yesAmerican Journal of Industrial Medicine, EarlyView.
ABSTRACT Few datasets simultaneously capture occupational exposures and health outcomes in a general working population. To understand associations between occupational exposures and health, researchers often combine existing datasets. As occupation codes are available in many datasets, combining these datasets seems a straight‐forward option. However,
Franziska J. Kößler   +3 more
wiley   +1 more source

Sitting in Many Camps—Innovative Approaches and Methods for First Nations‐Led Research Into Indigenous Peacebuilding

open access: yesAustralian Journal of Social Issues, EarlyView.
ABSTRACT In 2021, a desktop review was conducted of published references to First Nations peoples' approaches to conflict and its management in Australia (Project Stage One), culminating in a report published in 2024. This article focuses on Project Stage Two, a complex, innovative research undertaking building on the findings of Stage One, and being ...
Helen Bishop   +3 more
wiley   +1 more source

Volunteering, Crime and Secondary School Attendance: Evidence From Queensland

open access: yesAustralian Journal of Social Issues, EarlyView.
ABSTRACT Student absenteeism is a critical issue in Australia and worldwide, with alarming declines in attendance rates further exacerbated by the COVID‐19 pandemic. While research has long highlighted the relevance of school and family factors, less is known about how the broader community context shapes attendance.
Matthias Kubler   +5 more
wiley   +1 more source

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