Results 51 to 60 of about 1,669 (161)

Elaboration of the Coale-McNeil Nuptiality Model as The Generalized Log Gamma Distribution [PDF]

open access: yes
The Coale-McNeil nuptiality model is a particular case of the generalized log gamma distribution model. In this paper, we demonstrate that recognition of this connection allows an expansion of the possible applications of the Coale-McNeil model.
Ryuichi Kaneko
core  

Construction of nuptiality tables for the hilly rural population of Uttarakhand: 1931-2000

open access: yes, 2018
Background: Nuptiality has a strong association with socio demographic and socio economic change in society. So, it has immense importance to study the female age at marriage in society.
Shubham Pandey   +3 more
core   +1 more source

Limited Lifetime Costs of Inbreeding in a Large Wild Population of Superb Fairy‐Wrens

open access: yesMolecular Ecology, Volume 35, Issue 19, October 2026.
ABSTRACT Inbreeding depression can have major negative effects on both individual fitness and population performance. The impact of inbreeding depression in wild populations remains poorly understood, and our knowledge is primarily based on estimations in insular populations with limited dispersal, which has been predicted to enhance the capacity for ...
Jennifer Evans   +4 more
wiley   +1 more source

Demographic trends in Sweden: an update of childbearing and nuptiality through 2002 [PDF]

open access: yes
In the present note, we display the main features of recent trends in vital family-demographic behavior in Sweden. We update previously published indexes of marriage, divorce, and childbearing risks by calendar year in order to cover the developments up ...
Gunnar Andersson
core  

A parametric model for estimating nuptiality patterns in modern populations

open access: yes, 2015
Nuptiality is a phenomenon closely related to fertility. The age-specific marriage distribution has a typical shape common in all human populations. In order to estimate this pattern, alternative parametric models have been proposed.
Anastasia Kostaki   +3 more
core   +1 more source

The Fertility Effects of Reducing Implicit Childcare Subsidies: The Case of School Schedules

open access: yesJournal of Policy Analysis and Management, Volume 45, Issue 4, Fall 2026.
ABSTRACT Despite governments’ efforts to raise fertility through family‐support policies, birth rates continue to decline in high‐ and middle‐income countries. Some policies designed for other purposes, however, may function as implicit childcare subsidies.
Álvaro Muñiz‐Fernández
wiley   +1 more source

Demographic trends in Sweden [PDF]

open access: yes
In the present note, we present the main features of recent trends in vital family-demographic behavior in Sweden. For this purpose, published indices of marriage, divorce, and childbearing risks by calendar year are updated by adding another two or ...
Gunnar Andersson
core  

Terminal Filament Bundling Underlies the Development of Ovariole Number Dimorphism Between Queen and Worker Ants

open access: yesEvolution &Development, Volume 28, Issue 3, September 2026.
We trace the formation of the cell structures known to determine ovariole number in the model insect Drosophila melanogaster, called terminal filaments. By investigating the formation of terminal filaments and ovarioles during queen and worker development in ants, we confirm the existence of terminal filament bundling (white arrows) and show that it ...
Claire Ramsay, Paul Lasko, Ehab Abouheif
wiley   +1 more source

Population Development in the Czech Republic in 2024

open access: yesDemografie
The article analyses the demographic development of the Czech Republic in 2024 and sets it in the context of the previous five years. The study focuses on the main demographic processes, namely fertility, mortality, nuptiality, the divorce rate, and ...
Jana Koukalová
doaj   +1 more source

Nuptiality in Early 20th Century Yekaterinburg: Quantitative Analysis

open access: yesИзвестия Уральского федерального университета. Серия 2: Гуманитарные науки, 2019
This article analyses one of the main characteristics of the demographic behaviour of Russian citizens, i.e. their age at first marriage and its dynamics in the early twentieth century. The authors examine the situation in Yekaterinburg, a compact but an 
Elena Mikhailovna Glavatskaya   +3 more
doaj   +1 more source

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