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Digital Trace Data and Demographic Forecasting: How Well Did Google Predict the US COVID‐19 Baby Bust? 数字痕迹数据和人口预测:谷歌对美国 COVID-19 婴儿潮的预测有多准?
IF 2.5 2区 社会学 Q1 DEMOGRAPHY Pub Date : 2024-07-30 DOI: 10.1111/padr.12647
Joshua Wilde, Wei Chen, Sophie Lohmann, Jasmin Abdel Ghany
At the onset of the first wave of COVID‐19 in the United States, the pandemic's effect on future birthrates was unknown. In this paper, we assess whether digital trace data—often touted as a panacea for traditional data scarcity—held the potential to accurately predict fertility change caused by the COVID‐19 pandemic in the United States. Specifically, we produced state‐level, dynamic future predictions of the pandemic's effect on birthrates in the United States using pregnancy‐related Google search data. Importantly, these predictions were made in October 2020 (and revised in February 2021), well before the birth effect of the pandemic could have possibly been known. Our analysis predicted that between November 2020 and February 2021, monthly United States births would drop sharply by approximately 12 percent, then begin to rebound while remaining depressed through August 2021. While these predictions were generally accurate in terms of the magnitude and timing of the trough, there were important misses regarding the speed at which these reductions materialized and rebounded. This ex post evaluation of an ex ante prediction serves as a powerful demonstration of the “promise and pitfalls” of digital trace data in demographic research.
在美国 COVID-19 第一波流行开始时,人们还不知道该流行病对未来出生率的影响。在本文中,我们评估了数字追踪数据--通常被吹捧为解决传统数据匮乏的灵丹妙药--是否具有准确预测 COVID-19 大流行在美国引起的生育率变化的潜力。具体来说,我们利用与妊娠相关的谷歌搜索数据,对大流行病对美国出生率的影响做出了州一级的动态未来预测。重要的是,这些预测是在 2020 年 10 月做出的(并在 2021 年 2 月进行了修订),远在大流行病对出生率的影响可能被知晓之前。我们的分析预测,在 2020 年 11 月至 2021 年 2 月期间,美国的月出生率将急剧下降约 12%,然后开始反弹,并在 2021 年 8 月之前保持低迷。虽然这些预测在低谷的幅度和时间上基本准确,但在这些下降的实现和反弹的速度上却存在重大失误。这种对事前预测的事后评估有力地证明了数字跟踪数据在人口研究中的 "前景和缺陷"。
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引用次数: 0
Revolving Doors: How Externalization Policies Block Refugees and Deflect Other Migrants across Migration Routes 旋转门:外部化政策如何阻挡难民并使其他移民偏离移徙路线
IF 2.5 2区 社会学 Q1 DEMOGRAPHY Pub Date : 2024-07-23 DOI: 10.1111/padr.12650
Alice Mesnard, Filip Savatic, Jean‐Noël Senne, Hélène Thiollet
Migrant destination states of the Global North generally seek to stem irregular migration while remaining committed to refugee rights. To do so, these states have increasingly sought to externalize migration control, implicating migrant origin and transit states in managing the movement of persons across borders. But do externalization policies actually have an impact on unauthorized migration flows? If yes, do those impacts vary across different migrant categories given that both asylum seekers and other migrants can cross borders without prior authorization? We argue that these policies do have an impact on unauthorized migration flows and that those impacts are distinct for refugees and other migrants. Using data on “irregular/illegal border crossings” collected by Frontex, the Border and Coast Guard Agency of the European Union (EU), we first find that the geographical trajectories of refugees and other migrants who cross EU borders without authorization are distinct. Using a novel method to estimate whether individuals are likely to obtain asylum in 31 European destination states, we find that “likely refugees” tend to be concentrated on a single, primary migratory route while “likely irregular migrants” may be dispersed across multiple routes. Through an event study analysis of the impact of the 2016 EU–Turkey Statement, a paradigmatic example of externalization, we show that the policy primarily blocked likely refugees while deflecting likely irregular migrants to alternative routes. Our findings ultimately highlight how externalization policies may fail to prevent unauthorized entries of irregular migrants while endangering refugee protection.
全球北方的移民目的地国一般都寻求阻止非正常移民,同时继续致力于难民权利。为此,这些国家越来越多地寻求将移民控制外部化,让移民原籍国和过境国参与管理人员的跨境流动。但是,外部化政策是否真的会对未经许可的移民流动产生影响?如果有,鉴于寻求庇护者和其他移民都可以在未经事先批准的情况下跨越边境,这些影响是否会因移民类别的不同而有所差异?我们认为,这些政策确实会对未经授权的移民潮产生影响,而且这些影响对难民和其他移民是不同的。利用欧盟边境和海岸警卫局(Frontex)收集的 "非正常/非法越境 "数据,我们首先发现,未经授权跨越欧盟边境的难民和其他移民的地理轨迹是不同的。我们使用一种新方法来估计个人是否有可能在 31 个欧洲目的地国家获得庇护,结果发现 "可能的难民 "往往集中在一条主要的移民路线上,而 "可能的非正常移民 "则可能分散在多条路线上。通过对 2016 年欧盟-土耳其声明(外部化的典范)的影响进行事件研究分析,我们表明该政策主要阻挡了可能的难民,而将可能的非正常移民转移到了其他路线上。我们的研究结果最终强调了外部化政策如何可能无法阻止非正常移民未经授权入境,同时危及难民保护。
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引用次数: 0
Fertility and Family Dynamics in the Aftermath of the COVID‐19 Pandemic COVID-19 大流行后的生育率和家庭动态
IF 2.5 2区 社会学 Q1 DEMOGRAPHY Pub Date : 2024-07-17 DOI: 10.1111/padr.12648
Natalie Nitsche, Joshua Wilde
When the COVID‐19 pandemic began in early 2020, speculation was rife both in public and academic spheres over its possible effects on birth rates and partnership behavior. Now, over four years later, we still know surprisingly little about the effect of COVID‐19 on fertility and family dynamics. In this paper, we outline three main takeaways from the scientific literature produced on this topic in the past four years. We argue that (1) we still do not have enough data to answer basic questions about the effect of COVID‐19 on fertility and family dynamics, (2) the data we do have suggest an unexpectedly incoherent and heterogeneous response, and (3) the estimated effects we do have are suspect since shifting and theoretically unexpected prepandemic fertility behavior made identifying a strict causal effect of the pandemic problematic.
COVID-19 在 2020 年初开始流行时,公众和学术界都在纷纷猜测它对出生率和伴侣行为可能产生的影响。如今,四年多过去了,我们对 COVID-19 对生育率和家庭动态的影响仍然知之甚少,令人惊讶。在本文中,我们将概述过去四年中有关这一主题的科学文献所带来的三大启示。我们认为:(1) 我们仍然没有足够的数据来回答关于 COVID-19 对生育率和家庭动态影响的基本问题;(2) 我们所掌握的数据显示了出乎意料的不连贯和异质性反应;(3) 我们所掌握的估计效应是可疑的,因为流行前生育行为的变化和理论上的意外使得确定大流行的严格因果效应成为问题。
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引用次数: 0
The Demography of Crisis‐Driven Outflows from Venezuela 危机导致委内瑞拉人口外流的人口结构
IF 2.5 2区 社会学 Q1 DEMOGRAPHY Pub Date : 2024-07-17 DOI: 10.1111/padr.12651
Jenny Garcia Arias
The Venezuelan exodus represents the largest known displacement of people in recent Latin American history. The regional crisis caused by this mass Venezuelan migration drove the development of multiple interagency initiatives (such as the R4V platform) as well as academic attempts to keep track of outflow intensity. However, little is known about the age and gender composition of the emigrants since most existing literature to date has focused primarily on total volume and country‐specific shares of migration outflows. This study examines the demographics of recent outflows from Venezuela, the chronology of associated changes, and the demographic implications for those remaining in the country. Official counts of Venezuelan‐born populations compiled in seven main destinations are used to estimate annual outflows by age and gender from 2011 to 2021. Changes in the demographic composition of emigration are traced using parameters of the Rogers–Castro model, specifically the children‐to‐labor force dominance, and by decomposing the age contributions to the annual gross migraproduction rate. In the early phase of the crisis (2014–2017), emigration flows had high child dependency ratios. As the crisis entered its most acute phase (peaking in 2019), the mean age of migrants increased. Outward migration has resulted in the current Venezuelan population having 20 percent fewer women of reproductive age and 17.8 percent fewer individuals of working age. Consequently, the share of the population aged 60 or older has increased.
委内瑞拉人口外流是拉丁美洲近代史上已知的最大规模的人口迁移。委内瑞拉大规模移民引发的地区危机推动了多个机构间倡议(如 R4V 平台)的发展,也推动了学术界追踪人口外流强度的尝试。然而,人们对移民的年龄和性别构成知之甚少,因为迄今为止,大多数现有文献主要关注的是移民外流的总量和特定国家所占的比例。本研究探讨了近期委内瑞拉人口外流的人口结构、相关变化的时间顺序以及对留在该国的人口的影响。通过对七个主要目的地的委内瑞拉出生人口进行官方统计,估算出 2011 年至 2021 年按年龄和性别划分的年度外流人口数量。利用罗杰斯-卡斯特罗模型的参数,特别是儿童对劳动力的主导作用,并通过分解年龄对年度移民总生产率的贡献,对移民人口构成的变化进行了追踪。在危机的早期阶段(2014-2017 年),移民潮的儿童抚养比很高。随着危机进入最严重阶段(2019 年达到顶峰),移民的平均年龄增加。向外移民导致目前委内瑞拉人口中育龄妇女减少了 20%,劳动适龄人口减少了 17.8%。因此,60 岁或 60 岁以上人口的比例有所增加。
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引用次数: 0
Worlds in Motion Redux? Expanding Migration Theories and Their Interconnections 运动中的世界再现?拓展移民理论及其相互联系
IF 2.5 2区 社会学 Q1 DEMOGRAPHY Pub Date : 2024-07-12 DOI: 10.1111/padr.12630
Fernando Riosmena
Migration theorizing has coalesced around sets encompassing several frameworks. Despite many contributions of these collections, contemporary migration theorizing exhibits three important shortcomings, which this paper aims to address. First, sets of theories have traditionally not explicitly and jointly addressed fundamental questions in migration, namely (i) key motivations beyond those related to “labor” (turmoil; environmental strain; family, or self‐realization factors); (ii) how important axes of social difference produce distinct motivations and mechanisms (e.g., by gender and sexuality); (iii) the (in)direct roles of the state; (iv) important spatial considerations, that is, immobility, internal versus international movement, step/onward/secondary migrations; and (v) key issues of temporality, that is, return migration, its timing, and intentionality. Engaging with classical and contemporary scholarship, I provide an updated, revised, and broadened set of frameworks and analytical lenses that better incorporate these issues. Second, the most common typology used to categorize frameworks into “initiation” and “continuation” suffers from ambiguity and imprecision. I offer a new classification, typifying mechanisms as more/less endogenous to prior migrations. Third, scholarship has advanced little in systematically examining whether/how theories relate to each other. I provide a basic taxonomy of mechanism “competition,” “coexistence,” co‐occurrence, and interrelation. I conclude by proposing a new and expanded set of frameworks and analytical lenses, reflecting on the implications of these modifications.
移徙理论研究已经形成了包括多个框架的研究集。尽管这些理论集做出了许多贡献,但当代移民理论研究仍存在三个重要缺陷,本文旨在解决这些缺陷。首先,成套理论历来没有明确地共同探讨移民的基本问题,即:(i) 除与 "劳动 "相关的因素(动荡、环境压力、家庭或自我实现因素)之外的关键动机;(ii) 社会差异的重要轴心如何产生不同的动机和机制(例如,性别和性取向);(iii) 移民的动机和机制如何与其他因素相联系、(iii)国家的(非)直接作用;(iv)重要的空间考虑因素,即不流动性、国内与国际迁移、阶跃/向前/二次迁移;以及(v)时间性的关键问题,即回迁、时间安排和意图性。通过与古典和当代学术研究的互动,我提供了一套经过更新、修订和拓宽的框架和分析视角,以更好地纳入这些问题。其次,最常用的将框架分为 "启动 "和 "延续 "的分类方法存在模糊性和不准确性。我提出了一种新的分类方法,将机制分为更多/更少内生于先前的迁移。第三,学术界在系统研究理论之间是否/如何相互关联方面进展甚微。我对机制的 "竞争"、"共存"、共生和相互关系进行了基本分类。最后,我提出了一套新的、扩展的框架和分析视角,并反思了这些修改的意义。
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引用次数: 0
Does Inequality Have Momentum? The Implications of Convex Inequality Regimes for Mortality Dynamics 不平等是否有动力?凸性不平等制度对死亡率动态的影响
IF 2.5 2区 社会学 Q1 DEMOGRAPHY Pub Date : 2024-07-09 DOI: 10.1111/padr.12649
Arun S. Hendi
For decades, educational inequalities in mortality have widened and mortality among the least educated has stalled, even as overall mortality has improved, and an increasing proportion of young people have completed secondary and tertiary education. While researchers recognize that these trends are in part related to changing selection into education groups, there has been no unifying framework for understanding why the trends may be related. This article provides a unifying framework by introducing a concept called the “convex inequality regime,” a diminishing returns relationship between relative education and mortality. In populations where convex inequality regimes prevail, even without any changes in the institutions governing inequality or any changes in overall mortality conditions, education transitions result in an increase in mortality for the less educated and an increase in mortality inequality between education groups. The model also shows that lifespan variation increases for lower education groups because convex inequality regimes tend to increase relative mortality more rapidly at younger ages during an education transition. Even after an education transition is complete, inequality between education groups will continue to increase for decades due to the momentum of inequality, a cohort replacement phenomenon where younger more unequal cohorts replace older more equal cohorts.
几十年来,死亡率中的教育不平等现象不断扩大,受教育程度最低者的死亡率停滞不前,尽管总体死亡率有所改善,而且越来越多的年轻人完成了中等和高等教育。虽然研究人员认识到,这些趋势在一定程度上与教育群体选择的变化有关,但一直没有统一的框架来理解这些趋势可能相关的原因。本文通过引入 "凸不平等制度 "这一概念,提供了一个统一的框架,即相对教育与死亡率之间的收益递减关系。在凸不平等制度盛行的人群中,即使管理不平等的制度没有发生任何变化,总体死亡率状况也没有发生任何变化,教育转型也会导致受教育程度较低人群的死亡率上升,教育群体之间的死亡率不平等也会加剧。该模型还显示,教育程度较低群体的寿命差异会增加,因为在教育转型期间,凸不平等制度往往会使较年轻群体的相对死亡率增加得更快。即使在教育转型完成后,由于不平等的势头,教育群体之间的不平等仍会持续增加几十年,这是一种队列替换现象,即年轻的更不平等队列替换年长的更平等队列。
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引用次数: 0
The Last Bastion is Falling: Survey Evidence of the New Family Reality in Italy 最后的堡垒正在倒塌:意大利新家庭现实的调查证据
IF 2.5 2区 社会学 Q1 DEMOGRAPHY Pub Date : 2024-07-03 DOI: 10.1111/padr.12645
Arnstein Aassve, Letizia Mencarini, Elena Pirani, Daniele Vignoli
The study makes use of the 2016 Household Multipurpose Survey of Family, Social Subjects, and Life Cycle to demonstrate that family‐related behavior is now rapidly changing in Italy. The country is often taken as a stronghold of traditionalism. We, instead, highlight recent and substantial changes in cohabitation, dissolution, and nonmarital fertility in the country. In doing so, we carefully assess the predictions made by the Second Demographic Transition (SDT) and show that trends in Italy are monotonically moving in the direction of the SDT. There are, though, important differences across educational groups and regions, that is, family‐related behavior is also changing in the South of Italy in much the same way but not at the same speed as in the rest of the country.
本研究利用 2016 年家庭、社会主体和生命周期家庭多用途调查来证明,意大利与家庭有关的行为目前正在迅速发生变化。意大利通常被视为传统主义的大本营。相反,我们强调了该国最近在同居、解体和非婚生育率方面发生的巨大变化。在此过程中,我们仔细评估了 "第二次人口转变"(SDT)的预测,并表明意大利的趋势正朝着 SDT 的方向单调地发展。不过,不同教育群体和地区之间存在着重要的差异,也就是说,意大利南部地区与家庭有关的行为也在发生变化,变化的方式大致相同,但变化的速度却不同于该国其他地区。
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引用次数: 0
Spousal Agreement on Sex Preferences for Children and Gender Gaps in Children's Education 配偶对子女性别偏好的一致意见与子女教育中的性别差距
IF 2.5 2区 社会学 Q1 DEMOGRAPHY Pub Date : 2024-07-02 DOI: 10.1111/padr.12640
Vida Maralani, Candas Pinar
Using data from 60 countries, we measure how much couples agree on sex preferences for children and whether differences in sex preferences are associated with gender gaps in children's education. Results show extensive disagreement in sex preferences for children, with husbands far more likely to want more sons but their wives more likely to prefer having equal numbers of boys and girls, wanting more daughters, or having no preference. India has the highest share of agreement on sex preferences (59 percent), and Niger has the lowest (32 percent). The association between couples’ sex preferences and gender gaps in education differs considerably by country. In some countries, girls have worse outcomes when their parents agree on son preference and better ones when parents agree on daughter/no preference. But there are numerous counter‐examples as well. Gender gaps in education appear more often when wives hold son preference but not their husbands than the reverse combination. Agreement on daughter/no preference is the only category that is systematically associated with better outcomes for girls relative to boys (although even here there are caveats). Balanced preference (wanting as many boys as girls) is an ambiguous category with heterogenous patterns in terms of educational gender gaps.
我们利用来自 60 个国家的数据,测量了夫妻对子女性别偏好的一致程度,以及性别偏好的差异是否与子女教育的性别差距有关。结果显示,夫妻在子女性别偏好上存在广泛分歧,丈夫更可能希望多生儿子,而妻子则更可能希望生男生女数量相同、希望多生女儿或没有偏好。印度的性别偏好一致率最高(59%),尼日尔最低(32%)。夫妻的性别偏好与教育领域的性别差距之间的关系因国家而异。在一些国家,当父母在重男轻女问题上达成一致时,女孩的学习成绩较差,而当父母在重女轻男问题上达成一致时,女孩的学习成绩较好。但也有许多反例。在妻子重男轻女而丈夫不重男轻女的情况下,教育方面的性别差距比相反的情况更容易出现。在重男轻女问题上达成一致是唯一一个系统性地与女孩相对于男孩的更好结果相关联的类别(尽管即使在这里也有注意事项)。均衡偏好(希望男孩和女孩一样多)是一个模棱两可的类别,在教育性别差距方面具有不同的模式。
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引用次数: 0
Unhealthy Assimilation or Compositional Differences? Disentangling Immigrants' Mental Health Trajectories with Residence Duration 不健康的同化还是构成差异?将移民的心理健康轨迹与居住时间区分开来
IF 2.5 2区 社会学 Q1 DEMOGRAPHY Pub Date : 2024-07-02 DOI: 10.1111/padr.12642
Claudia Brunori
Studies have often found that recent immigrants have better mental health than natives, whereas established immigrants have no such advantage. This could be interpreted as evidence for immigrants' mental health deteriorating with residence duration—the “unhealthy assimilation hypothesis.” However, the methods used in the literature are unfit to assess whether the mental health differences between recent and established immigrants are due to individual‐level deterioration in mental health, compositional differences between immigration cohorts, or selective remigration. This is because previous studies mostly rely on cross‐sectional data, incur in overcontrol bias, and/or fail to disentangle variation with time since arrival from variation with age or between cohorts. In this article, I propose a novel analytical strategy to test the unhealthy assimilation hypothesis. Using fixed‐ and random‐effect regressions stratified by immigrants' age at arrival and data from waves 1–11 of the UK household longitudinal study, I find no evidence that immigrants' mental health deteriorates with time since arrival: immigrants' mental health trajectories are in line with natives' trajectories with age, and the cross‐sectional finding of more established immigrants having worse mental health is driven by differences between individuals who migrated at different times.
研究往往发现,新移民的心理健康状况优于本地人,而老移民则没有这种优势。这可以被解释为移民的心理健康随着居住时间的延长而恶化的证据--"不健康的同化假说"。然而,文献中使用的方法并不适合评估新移民和已定居移民之间的心理健康差异是由于个人层面的心理健康恶化、移民群体之间的构成差异还是选择性再移民造成的。这是因为以往的研究大多依赖于横截面数据,存在过度控制偏差,以及/或者未能将抵达后随时间的变化与随年龄或不同组群的变化区分开来。在本文中,我提出了一种新的分析策略来检验不健康同化假说。通过使用按移民抵达年龄分层的固定效应和随机效应回归,以及英国家庭纵向研究第 1-11 波的数据,我发现没有证据表明移民的心理健康会随着抵达时间的推移而恶化:移民的心理健康轨迹与本地人的年龄轨迹一致,而更成熟的移民心理健康更差的横截面发现是由不同时间移民的个体之间的差异造成的。
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引用次数: 0
No End to Hypergamy when Considering the Full Married Population 考虑到全部已婚人口,超一夫一妻制不会终止
IF 2.5 2区 社会学 Q1 DEMOGRAPHY Pub Date : 2024-07-02 DOI: 10.1111/padr.12643
Daniela R. Urbina, Margaret Frye, Sara Lopus
The worldwide expansion of female educational opportunities in recent decades has prompted demographers to assess the frequency with which women marry up (hypergamy) or down (hypogamy) with regard to education. A series of articles documented dramatic and nearly universal declines in hypergamy over time and across female educational advantage. However, this previous work investigated hypergamy only in the context of unequal educational pairings, excluding couples with equal levels of education (homogamy) from their analyses. Here, we argue that the prevalence of hypergamy should instead be assessed in relation to all marriages. We apply this approach to the case of Latin America, where women have made important gains in schooling relative to men. Using census microdata spanning 105 birth cohorts in 16 countries, we demonstrate that, rather than declining, hypergamy has increased in most countries over time and remains relatively stable across female educational advantage. Meanwhile, the prevalence of educational homogamy has declined considerably in most countries and across the axis of female educational advantage, an important trend that emerges only when homogamy is incorporated into the analysis.
近几十年来,女性受教育的机会在全世界范围内不断扩大,这促使人口学家对女性因受教育程度而上嫁(超配偶制)或下嫁(低配偶制)的频率进行评估。一系列文章记录了随着时间的推移和女性教育优势的不同,超配现象几乎普遍急剧下降。然而,以往的研究仅在教育程度不平等的配对背景下研究了超一夫一妻制,而将教育程度相同的夫妇(同配偶制)排除在分析之外。在此,我们认为超一夫一妻制的普遍性应结合所有婚姻进行评估。我们将这一方法应用到拉丁美洲的案例中,在拉丁美洲,女性相对于男性在学校教育方面取得了重大进步。通过使用 16 个国家 105 个出生组群的人口普查微观数据,我们证明在大多数国家,超一夫一妻制非但没有减少,反而随着时间的推移而增加,并且在女性教育优势方面保持相对稳定。与此同时,在大多数国家和女性教育优势轴上,教育一夫一妻制的发生率大幅下降,这一重要趋势只有在将一夫一妻制纳入分析时才会出现。
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引用次数: 0
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Population and Development Review
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