Subjects -> MATHEMATICS (Total: 1109 journals)
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MATHEMATICS (816 journals)                  1 2 3 4 5 | Last

Showing 1 - 200 of 538 Journals sorted alphabetically
Abakós     Open Access   (Followers: 5)
Abhandlungen aus dem Mathematischen Seminar der Universitat Hamburg     Hybrid Journal   (Followers: 4)
Academic Voices : A Multidisciplinary Journal     Open Access   (Followers: 2)
Accounting Perspectives     Full-text available via subscription   (Followers: 7)
ACM Transactions on Algorithms (TALG)     Hybrid Journal   (Followers: 16)
ACM Transactions on Computational Logic (TOCL)     Hybrid Journal   (Followers: 4)
ACM Transactions on Mathematical Software (TOMS)     Hybrid Journal   (Followers: 8)
ACS Applied Materials & Interfaces     Hybrid Journal   (Followers: 43)
Acta Applicandae Mathematicae     Hybrid Journal   (Followers: 1)
Acta Mathematica     Hybrid Journal   (Followers: 12)
Acta Mathematica Hungarica     Hybrid Journal   (Followers: 2)
Acta Mathematica Scientia     Full-text available via subscription   (Followers: 5)
Acta Mathematica Sinica, English Series     Hybrid Journal   (Followers: 6)
Acta Mathematica Vietnamica     Hybrid Journal  
Acta Mathematicae Applicatae Sinica, English Series     Hybrid Journal  
Advanced Science Letters     Full-text available via subscription   (Followers: 13)
Advances in Applied Clifford Algebras     Hybrid Journal   (Followers: 4)
Advances in Calculus of Variations     Hybrid Journal   (Followers: 6)
Advances in Catalysis     Full-text available via subscription   (Followers: 6)
Advances in Complex Systems     Hybrid Journal   (Followers: 10)
Advances in Computational Mathematics     Hybrid Journal   (Followers: 23)
Advances in Decision Sciences     Open Access   (Followers: 4)
Advances in Difference Equations     Open Access   (Followers: 3)
Advances in Fixed Point Theory     Open Access   (Followers: 9)
Advances in Geosciences (ADGEO)     Open Access   (Followers: 20)
Advances in Linear Algebra & Matrix Theory     Open Access   (Followers: 11)
Advances in Materials Science     Open Access   (Followers: 20)
Advances in Mathematical Physics     Open Access   (Followers: 9)
Advances in Mathematics     Full-text available via subscription   (Followers: 19)
Advances in Nonlinear Analysis     Open Access   (Followers: 1)
Advances in Numerical Analysis     Open Access   (Followers: 9)
Advances in Operations Research     Open Access   (Followers: 13)
Advances in Operator Theory     Hybrid Journal   (Followers: 4)
Advances in Porous Media     Full-text available via subscription   (Followers: 5)
Advances in Pure and Applied Mathematics     Hybrid Journal   (Followers: 10)
Advances in Pure Mathematics     Open Access   (Followers: 11)
Advances in Science and Research (ASR)     Open Access   (Followers: 9)
Aequationes Mathematicae     Hybrid Journal   (Followers: 2)
African Journal of Educational Studies in Mathematics and Sciences     Full-text available via subscription   (Followers: 10)
African Journal of Mathematics and Computer Science Research     Open Access   (Followers: 7)
Afrika Matematika     Hybrid Journal   (Followers: 3)
Air, Soil & Water Research     Open Access   (Followers: 13)
AKSIOMA Journal of Mathematics Education     Open Access   (Followers: 3)
AKSIOMATIK : Jurnal Penelitian Pendidikan dan Pembelajaran Matematika     Open Access   (Followers: 1)
Al-Jabar : Jurnal Pendidikan Matematika     Open Access   (Followers: 1)
Al-Qadisiyah Journal for Computer Science and Mathematics     Open Access   (Followers: 1)
AL-Rafidain Journal of Computer Sciences and Mathematics     Open Access   (Followers: 6)
Algebra and Logic     Hybrid Journal   (Followers: 8)
Algebra Colloquium     Hybrid Journal   (Followers: 4)
Algebra Universalis     Hybrid Journal   (Followers: 2)
Algorithmic Operations Research     Open Access   (Followers: 5)
Algorithms     Open Access   (Followers: 13)
Algorithms Research     Open Access   (Followers: 1)
American Journal of Computational and Applied Mathematics     Open Access   (Followers: 10)
American Journal of Mathematical Analysis     Open Access   (Followers: 2)
American Journal of Mathematical and Management Sciences     Hybrid Journal   (Followers: 1)
American Journal of Mathematics     Full-text available via subscription   (Followers: 7)
American Journal of Operations Research     Open Access   (Followers: 8)
American Mathematical Monthly     Full-text available via subscription   (Followers: 6)
An International Journal of Optimization and Control: Theories & Applications     Open Access   (Followers: 12)
Anadol University Journal of Science and Technology B : Theoritical Sciences     Open Access  
Analele Universitatii Ovidius Constanta - Seria Matematica     Open Access  
Analysis and Applications     Hybrid Journal   (Followers: 1)
Analysis and Mathematical Physics     Hybrid Journal   (Followers: 7)
Analysis Mathematica     Full-text available via subscription  
Analysis. International mathematical journal of analysis and its applications     Hybrid Journal   (Followers: 5)
Anargya : Jurnal Ilmiah Pendidikan Matematika     Open Access   (Followers: 9)
Annales Mathematicae Silesianae     Open Access   (Followers: 2)
Annales mathématiques du Québec     Hybrid Journal   (Followers: 4)
Annales Universitatis Mariae Curie-Sklodowska, sectio A – Mathematica     Open Access   (Followers: 1)
Annales Universitatis Paedagogicae Cracoviensis. Studia Mathematica     Open Access  
Annali di Matematica Pura ed Applicata     Hybrid Journal   (Followers: 1)
Annals of Combinatorics     Hybrid Journal   (Followers: 4)
Annals of Data Science     Hybrid Journal   (Followers: 14)
Annals of Discrete Mathematics     Full-text available via subscription   (Followers: 8)
Annals of Functional Analysis     Hybrid Journal   (Followers: 3)
Annals of Mathematics     Full-text available via subscription   (Followers: 2)
Annals of Mathematics and Artificial Intelligence     Hybrid Journal   (Followers: 15)
Annals of PDE     Hybrid Journal  
Annals of Pure and Applied Logic     Open Access   (Followers: 6)
Annals of the Alexandru Ioan Cuza University - Mathematics     Open Access  
Annals of the Institute of Statistical Mathematics     Hybrid Journal   (Followers: 1)
Annals of West University of Timisoara - Mathematics     Open Access  
Annals of West University of Timisoara - Mathematics and Computer Science     Open Access   (Followers: 2)
Annuaire du Collège de France     Open Access   (Followers: 6)
ANZIAM Journal     Open Access   (Followers: 1)
Applicable Algebra in Engineering, Communication and Computing     Hybrid Journal   (Followers: 3)
Applications of Mathematics     Hybrid Journal   (Followers: 3)
Applied Categorical Structures     Hybrid Journal   (Followers: 4)
Applied Computational Intelligence and Soft Computing     Open Access   (Followers: 15)
Applied Mathematics     Open Access   (Followers: 8)
Applied Mathematics     Open Access   (Followers: 4)
Applied Mathematics & Optimization     Hybrid Journal   (Followers: 11)
Applied Mathematics - A Journal of Chinese Universities     Hybrid Journal   (Followers: 1)
Applied Mathematics and Nonlinear Sciences     Open Access  
Applied Mathematics Letters     Full-text available via subscription   (Followers: 4)
Applied Mathematics Research eXpress     Hybrid Journal   (Followers: 1)
Applied Network Science     Open Access   (Followers: 2)
Applied Numerical Mathematics     Hybrid Journal   (Followers: 5)
Applied Spatial Analysis and Policy     Hybrid Journal   (Followers: 6)
Arab Journal of Mathematical Sciences     Open Access   (Followers: 4)
Arabian Journal of Mathematics     Open Access   (Followers: 2)
Archive for Mathematical Logic     Hybrid Journal   (Followers: 4)
Archive of Applied Mechanics     Hybrid Journal   (Followers: 6)
Archive of Numerical Software     Open Access  
Archives of Computational Methods in Engineering     Hybrid Journal   (Followers: 6)
Arkiv för Matematik     Hybrid Journal   (Followers: 1)
Armenian Journal of Mathematics     Open Access   (Followers: 1)
Arnold Mathematical Journal     Hybrid Journal   (Followers: 1)
Artificial Satellites     Open Access   (Followers: 23)
Asia-Pacific Journal of Operational Research     Hybrid Journal   (Followers: 3)
Asian Journal of Algebra     Open Access   (Followers: 1)
Asian Research Journal of Mathematics     Open Access   (Followers: 1)
Asian-European Journal of Mathematics     Hybrid Journal   (Followers: 3)
Australian Mathematics Teacher, The     Full-text available via subscription   (Followers: 7)
Australian Primary Mathematics Classroom     Full-text available via subscription   (Followers: 7)
Australian Senior Mathematics Journal     Full-text available via subscription   (Followers: 2)
Automatic Documentation and Mathematical Linguistics     Hybrid Journal   (Followers: 5)
Axioms     Open Access   (Followers: 1)
Baltic International Yearbook of Cognition, Logic and Communication     Open Access   (Followers: 2)
Banach Journal of Mathematical Analysis     Hybrid Journal   (Followers: 2)
Basin Research     Hybrid Journal   (Followers: 5)
BIBECHANA     Open Access   (Followers: 2)
Biomath     Open Access  
BIT Numerical Mathematics     Hybrid Journal   (Followers: 1)
Boletim Cearense de Educação e História da Matemática     Open Access  
Boletim de Educação Matemática     Open Access  
Boletín de la Sociedad Matemática Mexicana     Hybrid Journal  
Bollettino dell'Unione Matematica Italiana     Full-text available via subscription   (Followers: 3)
British Journal of Mathematical and Statistical Psychology     Full-text available via subscription   (Followers: 18)
Bruno Pini Mathematical Analysis Seminar     Open Access  
Buletinul Academiei de Stiinte a Republicii Moldova. Matematica     Open Access   (Followers: 14)
Bulletin des Sciences Mathamatiques     Full-text available via subscription   (Followers: 4)
Bulletin of Dnipropetrovsk University. Series : Communications in Mathematical Modeling and Differential Equations Theory     Open Access   (Followers: 3)
Bulletin of Mathematical Sciences     Open Access   (Followers: 1)
Bulletin of Symbolic Logic     Full-text available via subscription   (Followers: 3)
Bulletin of the Australian Mathematical Society     Full-text available via subscription   (Followers: 2)
Bulletin of the Brazilian Mathematical Society, New Series     Hybrid Journal  
Bulletin of the Iranian Mathematical Society     Hybrid Journal  
Bulletin of the London Mathematical Society     Hybrid Journal   (Followers: 3)
Bulletin of the Malaysian Mathematical Sciences Society     Hybrid Journal  
Cadernos do IME : Série Matemática     Open Access   (Followers: 1)
Calculus of Variations and Partial Differential Equations     Hybrid Journal  
Canadian Journal of Mathematics / Journal canadien de mathématiques     Hybrid Journal  
Canadian Journal of Science, Mathematics and Technology Education     Hybrid Journal   (Followers: 22)
Canadian Mathematical Bulletin     Hybrid Journal  
Carpathian Mathematical Publications     Open Access   (Followers: 1)
Catalysis in Industry     Hybrid Journal   (Followers: 1)
CEAS Space Journal     Hybrid Journal   (Followers: 4)
CHANCE     Hybrid Journal   (Followers: 5)
Chaos, Solitons & Fractals     Hybrid Journal   (Followers: 3)
Chaos, Solitons & Fractals : X     Open Access  
ChemSusChem     Hybrid Journal   (Followers: 8)
Chinese Annals of Mathematics, Series B     Hybrid Journal  
Chinese Journal of Catalysis     Full-text available via subscription   (Followers: 3)
Chinese Journal of Mathematics     Open Access  
Ciencia     Open Access   (Followers: 1)
Clean Air Journal     Full-text available via subscription   (Followers: 1)
CODEE Journal     Open Access   (Followers: 3)
Cogent Mathematics     Open Access   (Followers: 2)
Cognitive Computation     Hybrid Journal   (Followers: 3)
Collectanea Mathematica     Hybrid Journal  
College Mathematics Journal     Hybrid Journal   (Followers: 4)
COMBINATORICA     Hybrid Journal  
Combinatorics, Probability and Computing     Hybrid Journal   (Followers: 4)
Combustion Theory and Modelling     Hybrid Journal   (Followers: 15)
Commentarii Mathematici Helvetici     Hybrid Journal  
Communications in Advanced Mathematical Sciences     Open Access  
Communications in Combinatorics and Optimization     Open Access  
Communications in Contemporary Mathematics     Hybrid Journal  
Communications in Mathematical Physics     Hybrid Journal   (Followers: 4)
Communications On Pure & Applied Mathematics     Hybrid Journal   (Followers: 4)
Complex Analysis and its Synergies     Open Access   (Followers: 3)
Complex Variables and Elliptic Equations: An International Journal     Hybrid Journal  
Composite Materials Series     Full-text available via subscription   (Followers: 11)
Compositio Mathematica     Full-text available via subscription  
Comptes Rendus Mathematique     Full-text available via subscription  
Computational and Applied Mathematics     Hybrid Journal   (Followers: 4)
Computational and Mathematical Methods     Hybrid Journal  
Computational and Mathematical Methods in Medicine     Open Access   (Followers: 2)
Computational and Mathematical Organization Theory     Hybrid Journal   (Followers: 1)
Computational Complexity     Hybrid Journal   (Followers: 4)
Computational Mathematics and Modeling     Hybrid Journal   (Followers: 9)
Computational Mechanics     Hybrid Journal   (Followers: 6)
Computational Methods and Function Theory     Hybrid Journal  
Computational Optimization and Applications     Hybrid Journal   (Followers: 10)
Computers & Mathematics with Applications     Full-text available via subscription   (Followers: 11)
Concrete Operators     Open Access   (Followers: 4)
Confluentes Mathematici     Hybrid Journal  
Contributions to Discrete Mathematics     Open Access   (Followers: 2)
Contributions to Game Theory and Management     Open Access  
COSMOS     Hybrid Journal  
Cryptography and Communications     Hybrid Journal   (Followers: 13)
Cuadernos de Investigación y Formación en Educación Matemática     Open Access  
Cubo. A Mathematical Journal     Open Access  
Current Research in Biostatistics     Open Access   (Followers: 8)
Czechoslovak Mathematical Journal     Hybrid Journal   (Followers: 1)
Daya Matematis : Jurnal Inovasi Pendidikan Matematika     Open Access   (Followers: 3)
Demographic Research     Open Access   (Followers: 16)
Demonstratio Mathematica     Open Access  

        1 2 3 4 5 | Last

Similar Journals
Journal Cover
Demographic Research
Journal Prestige (SJR): 1.235
Citation Impact (citeScore): 2
Number of Followers: 16  

  This is an Open Access Journal Open Access journal
ISSN (Online) 1435-9871
Published by Max Planck Institute for Demographic Research Homepage  [1 journal]
  • Marriage intentions, desires, and pathways to later and less marriage in
           Japan (by James M. Raymo, Fumiya Uchikoshi, Shohei Yoda)

    • Abstract: BACKGROUND
      Understanding the trend toward later and less marriage is particularly important in low-fertility societies where alternatives to marriage are limited and childbearing outside of marriage remains rare.
      OBJECTIVE
      Our goal in this paper is to advance our understanding of the wide variety of explanations offered for later and less marriage in Japan by focusing explicitly on marriage intentions and desires.
      METHODS
      Using two sources of nationally representative data, we describe the prevalence of positive, negative, and passive marriage intentions and desires among men and women who have never been married. We also examine socioeconomic differences in intentions, patterns of marriage desires across young adulthood, and relationships between marriage desires and outcomes. By linking three pathways to later and less marriage (rejection of marriage, failure to realize marriage desires, and unplanned drifting into singlehood) to specific theoretical frameworks, we generate indirect insights into explanations for later and less marriage.
      CONCLUSIONS
      Although the large majority of unmarried men and women want to marry, less than half of respondents married across nine waves of the Japanese Life Course Panel Survey. Among those who remained unmarried, roughly two-thirds can be classified as ‘drifting’ into singlehood, about 30% as ‘failing to realize marriage desires,’ and no more than 5% as ‘rejecting marriage.’

      PubDate: Tue, 12 Jan 2021 00:00:00
       
  • Born once, die once: Life table relationships for fertility (by Annette
           Baudisch, Jesús-Adrián Alvarez)

    • Abstract: BACKGROUND
      Everyone dies, and only once. This basic truth underlies all formal mortality research. Similarly, everyone is born, and only once. This basic truth has not been fully exploited to benefit formal fertility research. An advance has recently been made by Baudisch and Stott (2019), who conceive a population of unborn children awaiting the event of their own birth. This approach introduces a novel survivorship concept for birth.
      RESULTS
      Formalizing the idea of “birth survival,” here we define the underlying random variable and derive the central triplet of survival analysis functions – hazard, density, and survival. We demonstrate that using a “born once, die once” analogy results in a straightforward framework to capture age-specific patterns of birth, analogous to classical life table functions. Based on a single variable (age-specific birth counts), we construct a “birth table” and, from there, meaningful summary measures such as “birth expectancy” and associated measures of spread.

      PubDate: Wed, 06 Jan 2021 00:00:00
       
  • Simulating family life courses: An application for Italy, Great Britain,
           Norway, and Sweden (by Maria Winkler-Dworak, Eva Beaujouan, Paola Di
           Giulio, Martin Spielauer)

    • Abstract: BACKGROUND
      Family patterns in Western countries have changed substantially across birth cohorts. The spread of unmarried cohabitation, the decline and postponement of marriage and fertility, and the rise in nonmarital births, partnership instability, and repartnering lead to an increasing diversity in family life courses.
      OBJECTIVE
      In this paper we demonstrate how to set up a tool to explore family life trajectories. This tool models the changing family patterns, taking into account the complex inter-relationships between childbearing and partnership processes.
      METHODS
      We build a microsimulation model parameterised using retrospective partnership and childbearing data. The data cover women born since 1940 in Italy, Great Britain, and two Scandinavian countries (Norway and Sweden), three significantly different cultural and institutional contexts of partnering and childbearing in Europe.
      RESULTS
      We guide readers through the modelling of individual life events to obtain a set of aggregate estimates, providing information on the power, technical structure, and underlying assumptions of microsimulations. Validation of the simulated family life courses against their real-world equivalents shows that the simulations not only closely replicate observed childbearing and partnership processes, but also provide high quality predictions when compared to more recent fertility indicators.
      CONCLUSIONS
      Using observed population estimates to systematically validate the results both validates our model and increases confidence that microsimulations satisfactorily replicate the behaviour of the original population.

      PubDate: Sun, 03 Jan 2021 00:00:00
       
  • Maternal employment and the well-being of children living with a lone
           mother in Scotland (by Francesca Fiori)

    • Abstract: BACKGROUND
      Previous research has shown that children who do not live with both of their parents fare worse on a variety of outcomes. However, less is known about the heterogeneity of children’s socioeconomic context and the factors that contribute to the negative effect of family structure.
      OBJECTIVE
      This study examines whether, under which circumstances, and through which mechanisms maternal employment influences the socioemotional well-being of children living with a lone mother in Scotland.
      METHODS
      The study uses longitudinal data from Growing Up in Scotland to follow a sub-sample of children living with lone mothers (N = 918). It applies Inverse Probability Weighting to estimate the effect of maternal employment when the child is aged 3 on children’s socioemotional well-being at age 5, net of selection effects; and the KHB decomposition method to assess the mediating role of household income and maternal well-being.
      RESULTS
      Children of working lone mothers are less at risk of having severe socioemotional problems, particularly if their mothers work in medium–high occupational positions. Higher levels of household income and the greater psychological well-being of working mothers partly explain the positive effect of maternal employment.

      PubDate: Fri, 18 Dec 2020 00:00:00
       
  • Estimating abortion incidence using the network scale-up method (by
           Elizabeth Sully, Margaret Giorgio, Selena Anjur-Dietrich)

    • Abstract: BACKGROUND
      A major challenge in abortion research is accurately measuring the incidence of induced abortion, particularly in restrictive settings. This study tests the network scale-up method (NSUM) to measure abortion incidence, which uses respondent social network data to estimates the size of hidden populations.
      METHODS
      Using NSUM modules added to the Ethiopia and Uganda 2018 Performance Monitoring for Action (PMA) community-based surveys, we compute NSUM abortion incidence ratios, and adjust these ratios to account for transmission bias. We conduct internal validity checks to assess the NSUM performance.
      RESULTS
      The unadjusted NSUM abortion ratios were likely underestimates (Uganda: 15.3 per 100 births, Ethiopia: 3.6 per 100 births). However, the transmission bias-adjusted NSUM abortion ratios grossly overestimated abortion (Uganda: 151.4 per 100 births, Ethiopia: 73.9 per 100 births), which was likely due to selection bias, question wording, and the use of lifetime abortions to measure transmission bias. Internal validity checks revealed problems with the NSUM application in Ethiopia. Unadjusted NSUM estimates of intrauterine device/implant use performed well compared to established external estimates, but adjusting for transmission bias again resulted in overestimation.
      CONCLUSIONS
      The NSUM resulted in overestimates of abortion incidence in Ethiopia and Uganda. We discuss several modifications that may improve future applications of the NSUM for measuring abortion.

      PubDate: Wed, 16 Dec 2020 00:00:00
       
  • Smoothing migration intensities with P-TOPALS (by Sigurd Dyrting)

    • Abstract: BACKGROUND
      Age-specific migration intensities often display irregularities that need to be removed by graduation, but two current methods for doing so, parametric model migration schedules and non-parametric kernel regression, have their limitations.
      OBJECTIVE
      This paper introduces P-TOPALS, a relational method for smoothing migration data that combines both parametric and non-parametric approaches.
      METHODS
      I adapt de Beer’s TOPALS framework to migration data and combine it with penalized splines to give a method that frees the user from choosing the optimal number and position of knots and that can be solved using linear techniques. I compare this method to smoothing by model migration schedules and kernel regression using one-year and five-year migration probabilities calculated from Australian census data.
      RESULTS
      I find that P-TOPALS combines the strengths of both student model migration schedules and kernel regression to allow a good estimation of the high-curvature portion of the curve at young adult ages as well as a sensitive modelling of intensities beyond the labour force peak.
      CONCLUSIONS
      P-TOPALS is a useful framework for incorporating non-parametric elements to improve a model migration schedule fit. It is flexible enough to capture the variety of profiles seen for both interstate and regional migration flows and is naturally suited to small populations where observed probabilities can be highly irregular from one age to the next.

      PubDate: Tue, 15 Dec 2020 00:00:00
       
  • A spatial population downscaling model for integrated human-environment
           analysis in the United States (by Hamidreza Zoraghein, Brian C. O'Neill)

    • Abstract: BACKGROUND
      Spatial population models are important to inform understanding of historical demographic development patterns and to project possible future changes, especially for use in anticipating environmental interactions.
      OBJECTIVE
      We document, calibrate, and evaluate a high-resolution gravity-based population downscaling model for each US state and interpret its historical urban and rural spatial population change patterns.
      METHODS
      We estimate two free parameters that govern the spatial population change pattern using the historical population grids of each state. We interpret the resulting parameters in light of the spatial development pattern they represent. We evaluate the model by comparing the resulting total population grid of each state in 2010 against its census-based grid. We also analyze the temporal stability of parameters across the 1990–2000 and 2000–2010 decades.
      RESULTS
      Our analysis indicates varying levels of performance across states and population types. While our results suggest a consolidated change pattern in urban population across states, rural population change patterns are diverse. We find urban parameters are more stable.
      CONCLUSIONS
      The model’s adaptability, performance, and interpretability indicate its potential for depicting historical state-level spatial population changes. It assigns these changes to different representative categories to assist interpretation.

      PubDate: Fri, 11 Dec 2020 00:00:00
       
  • Looking after grandchildren: gender differences in ‘when,’ ‘what,’
           and ‘why’: Evidence from the English Longitudinal Study of Ageing (by
           Giorgio Di Gessa, Paola Zaninotto, Karen Glaser)

    • Abstract: BACKGROUND
      Grandparents play a vital role in providing childcare to families. However, little is known about when grandmothers and grandfathers look after grandchildren, what they do with them, and why.
      OBJECTIVE
      Using novel questions on grandparenting, we first describe the periodicity of grandchild care, activities undertaken with/for grandchildren, and motivations for such care to then assess if there are gender differences.
      METHODS
      We used wave 8 (2016/17) of the nationally-representative English Longitudinal Study of Ageing. The extent to which the periodicity, activities, and motivations are gendered was assessed using logistic regressions. Analyses were carried out on the entire sample of grandparents who provide childcare as well as on coresiding grandparent couples where both grandparents provide grandchild care.
      RESULTS
      More than 50% of grandparents looked after grandchildren, with the majority doing so throughout the year and about one in four during school holidays. Few gender differences were observed in the periodicity of grandchild care and reasons for looking after grandchildren, with almost two-thirds reporting that they wanted to help parents go to work and give them a break. However, when activities undertaken for/with grandchildren were analysed, clear gender differences emerged. Overall, grandmothers were more likely to report caring and helping activities (e.g., cooking, caring when sick, helping with homework, and collecting them from school) than grandfathers, even when they coresided.

      PubDate: Thu, 10 Dec 2020 00:00:00
       
  • Job characteristics, marital intentions, and partner-seeking actions:
           Longitudinal evidence from Japan (by Wei-hsin Yu, Yuko Hara)

    • Abstract: BACKGROUND
      Most research linking jobs to marriage formation focuses on how job contexts and prospects affect singles’ paces of entering marriage. Direct evidence on whether job traits shape singles’ desire for marriage and actions toward forming a union remains scarce.
      OBJECTIVE
      We examine how changes in a range of job characteristics correspond to alterations in never-married people’s intention to marry and actions taken to meet romantic partners in Japan, a country with increasing inequality in job quality and declining marriage rates.
      METHODS
      We use longitudinal data from the Japan Life Course Panel Survey to fit fixed-effects models, which take into account unobserved heterogeneity among people with differing jobs.
      RESULTS
      We find that rises in job insecurity and workplace staffing shortages weaken, whereas increases in income and job autonomy strengthen, men’s intention to marry. Moreover, men with a low marriage desire are especially likely to withdraw from partner-seeking activities when they have low-income jobs or face great deadline pressure at work. Job prospects and quality are generally less important to women’s desire for marriage or partner-seeking actions. Nevertheless, being in workplaces where teamwork is prevalent, which could enhance singles’ exposure to married and older coworkers, raises both women’s intention to marry and their probability of using a formal method, such as employing a marriage agency, to find a partner.
      CONCLUSIONS
      For Japanese men, our results offer support for the argument that economic stagnation and deterioration of job quality are conducive to later and fewer marriages. The findings for women, however, are more consistent with the narrative focusing on values and social influences.

      PubDate: Wed, 09 Dec 2020 00:00:00
       
  • How accurately do mothers recall prenatal visits and gestational age'
           A validation of Uruguayan survey data (by Maira Colacce, Ivone Perazzo,
           Andrea Vigorito)

    • Abstract: BACKGROUND
      Many household surveys collect mothers’ retrospective reports of reproductive, maternal, and child health. However, few empirical exercises assess survey measurement error in these data, based on comparisons with administrative records.
      OBJECTIVE
      We provide evidence on the accuracy of maternal recall regarding weeks of gestation, premature births, and the timing and number of prenatal visits.
      METHODS
      We compare the survey maternal recall and the vital statistics administrative records based on the 2013 Nutrition, Child Development and Health Survey (ENDIS) for Uruguay (2,963 children aged 0‒3). We estimate measurement error and its determinants by using a set of probit models.
      RESULTS
      Mothers tend to overestimate gestational weeks and the incidence of prematurity by 0.1 weeks and 2.4 percentage points, respectively. Differences are larger regarding the timeliness and sufficiency of prenatal visits (respectively, 17.0 and 14.4 pp). Discrepancies are associated with lower educational levels, the length of the recall period (child’s age) and birth order.
      CONCLUSIONS
      In general, our findings validate the use of survey data, although the identification of premature births and prenatal care sufficiency presents differences that could lead to errors in the evaluation of compliance with, for example, the United Nations’ Sustainable Development Goals. Since recall accuracy is negatively associated with maternal schooling, discrepancies could be larger in relatively less developed countries.

      PubDate: Tue, 08 Dec 2020 00:00:00
       
  • Evaluating interviewer manipulation in the new round of the Generations
           and Gender Survey (by Eugenio Paglino, Tom Emery)

    • Abstract: BACKGROUND
      Past research has criticized the quality of the Generations and Gender Survey retrospective fertility and partnership histories. For example, fatigue and learning effects were deemed responsible for distortions in the Generations and Gender Survey in Germany.
      OBJECTIVE
      We assess the quality of the Generations and Gender Survey for Belarus (GGS-BL) in 2017 to assess whether the new centralized fieldwork system and monitoring procedures are effective in preventing distortions in life history data.
      METHODS
      We conduct a range of analyses to find evidence of fatigue and learning effects on the part of both interviewers and respondents. Multilevel models, comparison of crucial indicators with other sources, and descriptive analysis of item-nonresponse are used.
      RESULTS
      In a preliminary analysis, we find no evidence of severe distortions. An in-depth analysis into interviewer and respondent effects reveals some small signs of possible manipulation. However, when assessing the impact of anomalous interviewers on the indicators more likely to be affected, we find no evidence of harm to data quality.
      CONCLUSIONS
      The new data collection procedure adopted by the Generations and Gender Survey seems to be effective in preventing detectable manipulation and fabrication. Furthermore, we dismiss the hypothesis that fatigue and learning effects are a source of bias in the collection of life history data.

      PubDate: Fri, 04 Dec 2020 00:00:00
       
 
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