Results 101 to 110 of about 4,799,948 (306)

Fertility as a process of social exchange [PDF]

open access: yes
By marrying and raising children, parents participate in a system of gift-exchange in which the gifts in question are human lives, and the parties to the exchange are the kinship groups recognised in the society concerned.
Patrick Heady
core  

Why we measure period fertility

open access: yes, 2007
Four reasons for measuring period fertility are distinguished: to explain fertility time trends, to anticipate future fertility, to construct theoretical models and to communicate with non-specialist audiences.
Ní Bhrolcháin, Máire
core   +1 more source

Effects of Outsourced Agricultural Extension Services on the Technical Efficiency and Financial Returns of Soybean Farms in Northern Cameroon

open access: yesAgribusiness, EarlyView.
ABSTRACT In the agricultural landscape of most developing countries, the last decade has witnessed the expansion of outsourced agricultural extension services. Private firms and nongovernmental organizations focused on delivering agricultural extension and advisory services to farmers have emerged.
Boris D. Soh Wenda   +3 more
wiley   +1 more source

Fertility decisions in the FRG and GDR [PDF]

open access: yes
The aim of this paper is to compare family policies and fertility patterns in the former German Democratic Republic (GDR) and the German Federal Republic (FRG).
Michaela Kreyenfeld
core  

Design, Control, and Clinical Applications of Magnetic Actuation Systems: Challenges and Opportunities

open access: yesAdvanced Intelligent Systems, Volume 7, Issue 3, March 2025.
This review aims to provide a broad understanding for interdisciplinary researchers in engineering and clinical applications. It addresses the development and control of magnetic actuation systems (MASs) in clinical surgeries and their revolutionary effects in multiple clinical applications.
Yingxin Huo   +3 more
wiley   +1 more source

Social norms, inequality and fertility [PDF]

open access: yes
We explore the short-run and long-run effects on fertility of inequality with regard to human capital when the individual's fertility decision is influenced by average fertility in the economy.
Hideaki Goto
core  

The role of venture‐financed startups in innovation for US agriculture

open access: yesAmerican 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

Testing the efficacy of a narrative short film in educating the public about providing emotional support to individuals with fertility problems

open access: yesJournal of Psychosomatic Obstetrics and Gynecology
Background To educate the public on how best to support people with fertility problems, a narrative short film “Ten Things Not to Say to Someone Struggling with Infertility” was created, depicting the impact that helpful versus unhelpful dialogue has on ...
Maija J. Kiviharju   +3 more
doaj   +1 more source

Improving access to new technologies: An experiment with Kenyan input sellers

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Agrodealers play a critical role in rural economies, selling essential inputs for agricultural production, stocking new products, and providing farmers with technical advice. However, uncertainty can discourage them from stocking newer, less familiar products, limiting the availability of innovative technologies and leading to market failures ...
Sarah W. Kariuki   +6 more
wiley   +1 more source

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