Results 211 to 220 of about 774,637 (301)

The Herfindahl neutral point: A firm‐level threshold for managing market concentration with evidence from US hog packing

American Journal of Agricultural Economics, EarlyView.
Abstract This paper derives a firm‐level threshold, the Herfindahl Neutral Point, from the standard concentration index used in merger review. At this threshold, a marginal expansion leaves the index unchanged. Firms below the threshold reduce concentration when they expand; firms above it increase concentration.
Andrew J. Keller, Krishna P. Paudel
wiley   +1 more source

Distributional dynamics of child mortality in Africa: quantile evidence from economic, environmental, and demographic transitions. [PDF]

Front Public Health
Ridwan M, Ko J, Antor ZA, Fakher HA, Akther A, Leung CK, Kelly AM, Ming WK.   +7 more
europepmc   +1 more source

Evaluating the African arid corridor hypothesis: A meta‐analysis including the phylogenetic and biogeographical history of Sesamothamnus

American Journal of Botany, EarlyView.
Abstract Premise We examined the African arid corridor (AAC) disjunction pattern of vascular plants between northeastern and southwestern Africa in the context of geological and climatic events since the late Miocene. We developed a phylogenetic and biogeographical framework for the arid‐adapted genus Sesamothamnus (Pedaliaceae), a classic example of ...
John G. Zaborsky, Jeffrey P. Rose, Ricardo Kriebel, Bryan T. Drew, Emily Moriarty Lemmon, Alan R. Lemmon, Kenneth J. Sytsma   +6 more
wiley   +1 more source

Anatomy of the sural nerve in a sample of South African human adult cadavers. [PDF]

Anat Cell Biol
Harangee J, Venter G.
europepmc   +1 more source

A leaf phenomics approach for estimating belowground traits in North American licorice

American Journal of Botany, EarlyView.
Abstract Premise Selective breeding over thousands of years has prioritized aboveground yield, with little regard for changes belowground. Roots underpin plant growth and resilience, but our knowledge of these critical structures lags behind that of aboveground structures.
Zachary N. Harris, Vivian Tran, Emelyn Piotter, Meredith T. Hanlon, Matthew J. Rubin, Allison J. Miller   +5 more
wiley   +1 more source

African leaders take action on RHD: The 4^th All-Africa Workshop on Acute Rheumatic Fever and Rheumatic Heart Disease & African Union RHD Communiqué. [PDF]

Glob Cardiol Sci Pract, 2016
Nulu S, Neely RC, Tawakol Z, Yacoub M.
europepmc   +1 more source

Giving and receiving help in three contexts as predictors of alcohol outcomes in a longitudinal study of sober living house residents

American Journal of Community Psychology, EarlyView.
Abstract Although peer support is central to the social model approach emphasized in sober living houses (SLHs), no longitudinal studies have examined helping among SLH residents. This longitudinal study examined benefits of helping in three contexts among SLH residents. Data were from 205 participants entering 28 SLHs across 2021–2023. Interviews were
Sarah E. Zemore, Elizabeth Mahoney, Meenakshi S. Subbaraman, Amy A. Mericle, Douglas L. Polcin   +4 more
wiley   +1 more source

The rain feels different under the same umbrella: Experiences with poverty across LGBTQ subgroups

American Journal of Community Psychology, EarlyView.
Abstract Population‐based survey data have demonstrated that LGBTQ communities report varying rates of economic insecurity, yet very little research directly assesses how pathways into and experiences with poverty look different among subgroups at the intersections of sexual orientation and gender identity (SOGI).
Bianca D. M. Wilson, Lillian Nguyen
wiley   +1 more source

Early interventions reduce multimorbidity and TB disability in Kenya, Uganda, Zambia, and Zimbabwe. [PDF]

IJTLD Open
Banda FM, Bloom A, Chakaya J, Chimzizi R, Chitalu C, Duri C, Harries AD, Kasese-Chanda N, Kathure I, Kavenga FN, Kumar AMV, Luzze H, Mbithi I, Mputu M, Mubanga A, Mudoola D, Nair D, Ngwenya M, Ntambi S, Thekkur P, Timire C, Tweyongyere E, YaDiul M, Zachariah R, Kenya, Uganda, Zambia and Zimbabwe TB Disability Study Group.   +26 more
europepmc   +1 more source

Racism and racial disparities in firearm violence: A scoping review

American Journal of Community Psychology, EarlyView.
Abstract Firearm violence (i.e., interpersonal, police firearm violence) disproportionately affects racially minoritized communities. Researchers recently shifted their focus from race to racism to better understand the factors that contribute to racial disparities in firearm violence.
Daniel B. Lee, Lexie M. Contreras, Laney Rupp, Stephanie H. Cook, Marc A. Zimmerman, Patrick M. Carter, Katherine P. Theall, Riley Bennett, Julia M. Fleckman   +8 more
wiley   +1 more source