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
Comparative analysis of marginal profit between da Vinci SP and multi-port systems in colorectal cancer surgery: a single-center descriptive cost-accounting study. [PDF]
J Robot SurgDeguchi K, Hirano Y.
europepmc +1 more source
Subscriptions to a lease contract
, 2017 This papyrus contains the subscriptions to a contract involving land cultivation and the payment of pactum. The term pactum refers to the “rent to be paid by tenants for their leasehold property”.1 The monastery rented out land to tenants, e.g. monks, and the rent paid by the tenants might have been used to pay the taxes on the land.2 Monks might even ...
openaire +2 more sources
The role of venture‐financed startups in innovation for US agriculture
American Journal of Agricultural Economics, EarlyView.Abstract To evaluate the role played by startup companies in the innovation ecosystem of US agriculture, we compile a unique dataset of 6024 new entrants founded 1987–2019 that details their financing lifecycles, annual economic performance, and patenting activities.
Gregory D. Graff +2 more
wiley +1 more source
Sea surface warming and ocean-to-atmosphere feedback driven by large-scale offshore wind farms under seasonally stratified conditions. [PDF]
Sci AdvSeo H +4 more
europepmc +1 more source
Can Higher Land Rentals Promote Soil Conservation of Large-Scale Farmers in China? [PDF]
Int J Environ Res Public Health, 2022 Ge W +5 more
europepmc +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
A spatiotemporal dataset of farmland rent aligned with farming seasons across China 2021-2025. [PDF]
Sci DataXing Q, Zhu S, Zhu D, Wang J.
europepmc +1 more source
The Diagnosis That Arrived Decades Late: Living Without and Then With Myhre Syndrome
American Journal of Medical Genetics Part C: Seminars in Medical Genetics, EarlyView.ABSTRACT Myhre syndrome (MIM #139210) is a rare multisystem disorder first described in 1981, characterized by short stature, neurodevelopmental delay, joint contractures, and cardiopulmonary complications. Its molecular basis, recurrent pathogenic variants in SMAD4, was not discovered until 2011. This narrative is based on a review of medical records,
Abdallah F. Elias
wiley +1 more source