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Natural experiment
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Journal Article
Demography (2021) 58 (2): 685–710.
Published: 01 April 2021
... Natural experiment Lower- and middle-income countries The proportion of adults who were overweight or obese grew by as much as 27.5% worldwide between 1980 and 2013, a phenomenon often described as the “obesity epidemic” ( Hill and Peters 1998 ; Jaacks et al. 2019 ). Figure 1 plots overweight...
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Journal Article
Demography (2012) 49 (2): 393–424.
Published: 25 January 2012
... confounding effects of selection on migration-related outcomes. This article addresses these challenges by employing a “natural experiment” design, involving comparisons among three population-based samples of Vietnamese immigrants, never-leavers, and returnees ( N = 709). Data were collected in Ho Chi Minh...
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Journal Article
Demography (2011) 48 (4): 1473–1491.
Published: 26 August 2011
... . 10.1198/000313001317098220 Rosenzweig , M. , & Wolpin , K. ( 2000 ). Natural “natural experiments” in economics . Journal of Economic Literature , 38 , 827 – 874 . 10.1257/jel.38.4.827 Rubin , D. ( 1980 ). Comment on “Randomization analysis of experimental data...
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Journal Article
Demography (2009) 46 (2): 281–301.
Published: 01 May 2009
... 281 A NATURE S EXPERIMENT? HANDEDNESS AND EARLY CHILDHOOD DEVELOPMENT* DAVID W. JOHNSTON, MICHAEL E.R. NICHOLLS, MANISHA SHAH, AND MICHAEL A. SHIELDS In recent years, a large body of research has investigated the various factors affecting child devel- opment and the consequent impact of child...
Journal Article
Demography (2018) 55 (5): 1611–1639.
Published: 13 August 2018
... is complicated by the issue of confounding (i.e., unobserved factors correlated with stress exposure and with children’s outcomes). I combine a natural experiment—a strong earthquake in Chile—with a panel survey to capture the effect of prenatal exposure on acute stress and children’s cognitive ability. I find...
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Journal Article
Demography (2007) 44 (3): 649–668.
Published: 01 August 2007
... the doors to both countries were practically open to FSU immigrants between 1968 and 1989, when FSU immigrants were entitled to refugee visas in the United States, the comparison can be viewed as a natural experiment in immigrants’ destination choices. The results suggest that FSU immigrants to the United...
Journal Article
Demography (2019) 56 (2): 679–706.
Published: 16 January 2019
... of hospitals and recruitments of medical personnel, as a natural experiment in early-life environmental conditions. The initiatives undertaken within these districts targeted control of infectious diseases, including various isolation and disinfection measures. This study applies a difference-in-differences...
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Journal Article
Demography (2023) 60 (5): 1607–1630.
Published: 01 October 2023
... and survival to ages 34–45, it is unclear whether these associations are causal or driven by the unobserved characteristics of those who chose to voluntarily vaccinate. We use the abrupt discontinuation of mandatory BCG vaccination in Sweden in 1975 as a natural experiment to estimate the causal nonspecific...
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Journal Article
Demography (2015) 52 (3): 883–904.
Published: 28 April 2015
...Hsin-Ling Hsieh; Shin-Yi Chou; Echu Liu; Hsien-Ming Lien Abstract In this article, we exploit a unique natural experiment—the implementation of National Health Insurance (NHI) in Taiwan in 1995—to examine how the introduction of universal health insurance increases or decreases the likelihood...
Journal Article
Demography (2014) 51 (5): 1775–1796.
Published: 05 September 2014
...Rey Hernández-Julián; Hani Mansour; Christina Peters Abstract This article uses the Bangladesh famine of 1974 as a natural experiment to estimate the impact of intrauterine malnutrition on sex of the child and infant mortality. In addition, we estimate the impact of malnutrition on post-famine...
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Journal Article
Demography (2020) 57 (6): 2143–2167.
Published: 25 September 2020
... discrimination processes, we explore the association between child sex and postneonatal under-5 mortality using a sample of mixed-sex twins from four waves of the Indian National Family Health Survey. Mixed-sex twins provide a natural experiment that exogenously assigns a boy and a girl to families at the same...
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Journal Article
Demography (2014) 51 (5): 1729–1753.
Published: 12 September 2014
... experience less upward occupational mobility. Researchers address these endogeneity problems via methodological innovations, such as the use of instrumental variables (Cawley 2000 ) or natural experiments (Petticrew et al. 2005 ). However, these methodological solutions only seek to establish robust...
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Journal Article
Demography (2019) 56 (6): 2279–2305.
Published: 05 December 2019
... of a single dimension. These hypotheses, if confirmed, point to a need to expand the existing theoretical models to include the multidimensional nature of economic hardship. We examine both between-family and within-family associations between economic hardship experiences and children’s behavior...
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Journal Article
Demography (2009) 46 (1): 169–191.
Published: 01 February 2009
... nationality rights on the propensity to naturalize would stem from an experiment that randomly assigns changes in the laws to some countries and not to others. In this article, I use instead observed changes in dual citizenship laws between 1990 and 2000 to set up a quasi-experimental research design (Meyer...
Journal Article
Demography (2018) 55 (4): 1487–1506.
Published: 25 June 2018
... creates barriers to educational investments. 24 5 2018 25 6 2018 © Population Association of America 2018 2018 Immigration Undocumented immigration Education Deferred Action for Childhood Arrivals Natural experiment An estimated 11 million undocumented immigrants reside...
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Journal Article
Demography (1981) 18 (2): 157–172.
Published: 01 May 1981
...A. Romaniuk Abstract It has been hypothesized that populations may experience an increase in their natural fertility during the early stages of modernization as a result of the relaxation of various fertility-inhibiting practices and customs prevalent in traditional societies. This article offers...
Journal Article
Demography (1966) 3 (2): 393–415.
Published: 01 June 1966
... material. This paper is a revision of a paper read before the annual meeting ot the Population Association of America, Hotel Roosevelt, New York, New York, April 29–30, 1966. Contribution from the Departments of Sociology and Experimental Statistics, North Carolina Agricultural Experiment Station, North...
Journal Article
Demography (2021) 58 (4): 1347–1371.
Published: 01 August 2021
... the experiences of women and couples who conceive through MAR. In this study, we use a British longitudinal survey to examine changes in women's mental health before and after pregnancy by distinguishing between women who conceived naturally and those who conceived through MAR. Examining how women cope...
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Journal Article
Demography (2015) 52 (3): 787–809.
Published: 08 May 2015
... fertility Africa Universal primary education Natural experiment Regression discontinuity A well-documented negative association exists between schooling and fertility in sub-Saharan Africa (Ainsworth et al. 1996 ; Bongaarts 2010 ; Castro-Martin 1995 ; Kravdal 2002 ; Lloyd et al. 2000...
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Journal Article
Demography (2000) 37 (1): 127–138.
Published: 01 February 2000
... of administrative records of the U.S. Immigration and Naturalization Service (INS). The NIS-P links survey information about immigrants’ pre- and post-immigration labor market, schooling, and migratory experiences with data available from INS administrative records, including the visa type under which the immigrant...
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