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Xi Chen, PhD

Associate Professor of Public Health (Health Policy) and Associate Professor at Institution for Social and Policy Studies; Affiliated Faculty, Alzheimer's Disease Research Center (ADRC); Affiliated Faculty, Yale Institute for Global Health; Affiliated Faculty, Department of Economics

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Research Summary

His research endeavors focus on economics and public policies on population aging, and global health systems. Currently, his main research projects involve: 1) Economics of cognitive aging and Alzheimer's disease and related dementias (ADRD), using both medical claims data and survey data to investigate how cognitive aging may affect decision-making and healthcare utilization, and ADRD care quality, costs and equity; 2) Pension, retirement policies and health of the aging population; 3) The impact of environmental pollution and climate change on older adults; 4) life course factors and healthy aging.

Extensive Research Description

Professor Chen currently works on the following projects:

Leading a research team on economics of cognitive aging and Alzheimer's disease and related dementias (ADRD), using both medical claims data and survey data to investigate how cognitive aging may affect decision-making and healthcare utilization, and ADRD care quality, costs and equity;
Leading investigations on social security reforms, retirement policies and health of the aging population;
Leading a research team to better understand the long lasting impact of air pollution and climate change on happiness, mental health, cognitive functioning, productivity, and the economy;
Co-leading a team to explores the linkage between the two ends of life to better understand how early childhood circumstances determine health disparities in old age;
Evaluating major medical reforms in China that affect behavior and well-being of 1.4 billion population;
Working on a novel transdisciplinary project, the CHALLENGE (China Longitudinal Environmental, Genetic, and Economic Cohort), that studies 30,000 children aged 0-6 years old who were recruited at conception;
Co-leading a longitudinal household survey in rural China with a unique social network data collection to better understand social networks and health behaviors.

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Research Interests

Aging; Air Pollution; Alzheimer Disease; Child; Cognition; Dementia; Economics; Medicare; Pensions; Retirement; Social Behavior; Climate Change; Big Data

Public Health Interests

Aging; Community Health; Global Health; Health Economics; Health Policy; Infectious Diseases; Nutrition; Obesity; Substance Use, Addiction; Child/Adolescent Health; Health Equity, Disparities, Social Determinants and Justice; Perinatal/Prenatal Health; Pollution; COVID-19

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Life Course Health

Goal: Socioenvironmental circumstances during childhood and adulthood and behavioral factors account for a sizable proportion of differences in aging. We quantify dimensions of aging and disentangle how various factors coalesce to produce between-person differences in aging. In the long term, our studies in this area aim to draw important implications for potential interventions. We recently developed and validated a novel multi-system-based aging measure, Phenotypic Age, which has been shown to capture mortality and morbidity risk in the full U.S. population and diverse subpopulations. We also evaluated associations between a comprehensive set of factors, including childhood and adulthood circumstances, and aging outcomes for the Americans and Chinese, to determine what contribute to differences in aging measures. We also investigated inequality in health expenditures and smoking.

Selected Publications

Hospital admission risks and ambient fine particulate matter exposure in Beijing, ChinaWu Z, Liang F, Chen X, Liu G, Li G, Tian L, Guo Q, Yang C, Zhou Z, Pan X, Liu Y. Hospital admission risks and ambient fine particulate matter exposure in Beijing, China Atmospheric Environment 2022, 288: 119291. DOI: 10.1016/j.atmosenv.2022.119291.
Long-term services and supports and disease management among older Chinese adults in different stages of cognitive impairmentLin Z, Chen X. Long-term services and supports and disease management among older Chinese adults in different stages of cognitive impairment The Journal Of The Economics Of Ageing 2022, 23: 100405. DOI: 10.1016/j.jeoa.2022.100405.
Promote COVID-19 Vaccination for Older Adults in China.Zang S, Zhang X, Qu Z, Chen X, Hou Z. Promote COVID-19 Vaccination for Older Adults in China. China CDC Weekly 2022, 4: 832-834. PMID: 36284538, PMCID: PMC9547737, DOI: 10.46234/ccdcw2022.173.
Association of Unhealthy Lifestyle and Childhood Adversity With Acceleration of Aging Among UK Biobank ParticipantsYang G, Cao X, Li X, Zhang J, Ma C, Zhang N, Lu Q, Crimmins EM, Gill TM, Chen X, Liu Z. Association of Unhealthy Lifestyle and Childhood Adversity With Acceleration of Aging Among UK Biobank Participants JAMA Network Open 2022, 5: e2230690. PMID: 36066889, PMCID: PMC9449787, DOI: 10.1001/jamanetworkopen.2022.30690.
Contribution of life course circumstances to the acceleration of phenotypic and functional aging: A retrospective studyCao X, Ma C, Zheng Z, He L, Hao M, Chen X, Crimmins EM, Gill TM, Levine ME, Liu Z. Contribution of life course circumstances to the acceleration of phenotypic and functional aging: A retrospective study EClinicalMedicine 2022, 51: 101548. PMID: 35844770, PMCID: PMC9284373, DOI: 10.1016/j.eclinm.2022.101548.
Life course traumas and cardiovascular disease—the mediating role of accelerated agingCao X, Zhang J, Ma C, Li X, Kuo C, Levine ME, Hu G, Allore H, Chen X, Wu X, Liu Z. Life course traumas and cardiovascular disease—the mediating role of accelerated aging Annals Of The New York Academy Of Sciences 2022, 1515: 208-218. PMID: 35725988, DOI: 10.1111/nyas.14843.
Key links in network interactions: Assessing route-specific travel restrictions in China during the Covid-19 pandemicChen X, Qiu Y, Shi W, Yu P. Key links in network interactions: Assessing route-specific travel restrictions in China during the Covid-19 pandemic China Economic Review 2022, 73: 101800. PMID: 35469340, PMCID: PMC9020714, DOI: 10.1016/j.chieco.2022.101800.
The Effect of Dual Sensory Impairment and Multimorbidity Patterns on Functional Impairment: A Longitudinal Cohort of Middle-Aged and Older Adults in ChinaWang Q, Zhang S, Wang Y, Zhao D, Chen X, Zhou C. The Effect of Dual Sensory Impairment and Multimorbidity Patterns on Functional Impairment: A Longitudinal Cohort of Middle-Aged and Older Adults in China Frontiers In Aging Neuroscience 2022, 14: 807383. PMID: 35462686, PMCID: PMC9028763, DOI: 10.3389/fnagi.2022.807383.
Difficulty and help with activities of daily living among older adults living alone during the COVID-19 pandemic: a multi-country population-based studyChen S, Jones LA, Jiang S, Jin H, Dong D, Chen X, Wang D, Zhang Y, Xiang L, Zhu A, Cardinal RN. Difficulty and help with activities of daily living among older adults living alone during the COVID-19 pandemic: a multi-country population-based study BMC Geriatrics 2022, 22: 181. PMID: 35246064, PMCID: PMC8894568, DOI: 10.1186/s12877-022-02799-w.
American Older Adults in COVID-19 Times: Vulnerability Types, Aging Attitudes, and Emotional ResponsesFu M, Guo J, Chen X, Han B, Ahmed F, Shahid M, Zhang Q. American Older Adults in COVID-19 Times: Vulnerability Types, Aging Attitudes, and Emotional Responses Frontiers In Public Health 2022, 9: 778084. PMID: 35211452, PMCID: PMC8860986, DOI: 10.3389/fpubh.2021.778084.
Role of professionalism in response to the COVID-19 pandemic: Does a public health or medical background help?Li X, Lai W, Wan Q, Chen X. Role of professionalism in response to the COVID-19 pandemic: Does a public health or medical background help? China Economic Review 2021, 71: 101733. PMID: 35058684, PMCID: PMC8702613, DOI: 10.1016/j.chieco.2021.101733.
Something in the pipe: the Flint water crisis and health at birthWang R, Chen X, Li X. Something in the pipe: the Flint water crisis and health at birth Journal Of Population Economics 2021, 35: 1723-1749. DOI: 10.1007/s00148-021-00876-9.
The COVID-19 pandemic and the transformation of health policy: a syndemic perspectiveChen X, Fan A. The COVID-19 pandemic and the transformation of health policy: a syndemic perspective Journal Of Chinese Economic And Business Studies 2021, 19: 239-255. DOI: 10.1080/14765284.2021.1940453.
The role of institutional trust in preventive practices and treatment-seeking intention during the coronavirus disease 2019 outbreak among residents in Hubei, ChinaWong LP, Wu Q, Hao Y, Chen X, Chen Z, Alias H, Shen M, Hu J, Duan S, Zhang J, Han L. The role of institutional trust in preventive practices and treatment-seeking intention during the coronavirus disease 2019 outbreak among residents in Hubei, China International Health 2021, 14: ihab023-. PMID: 33945613, PMCID: PMC8135875, DOI: 10.1093/inthealth/ihab023.
Adverse childhood circumstances and cognitive function in middle-aged and older Chinese adults: Lower level or faster decline?Lin Z, Chen X. Adverse childhood circumstances and cognitive function in middle-aged and older Chinese adults: Lower level or faster decline? SSM - Population Health 2021, 14: 100767. PMID: 33855158, PMCID: PMC8025052, DOI: 10.1016/j.ssmph.2021.100767.
Prevalence of Memory-Related Diagnoses Among U.S. Older Adults With Early Symptoms of Cognitive Impairment.Qian Y, Chen X, Tang D, Kelley AS, Li J. Prevalence of Memory-Related Diagnoses Among U.S. Older Adults With Early Symptoms of Cognitive Impairment. The Journals Of Gerontology Series A 2021, 76: 1846-1853. PMID: 33575783, PMCID: PMC8436977, DOI: 10.1093/gerona/glab043.
Comparison of health care utilization among patients affiliated and not affiliated with healthcare professionals in ChinaSi Y, Zhou Z, Su M, Hu H, Yang Z, Chen X. Comparison of health care utilization among patients affiliated and not affiliated with healthcare professionals in China BMC Health Services Research 2020, 20: 1118. PMID: 33272275, PMCID: PMC7713311, DOI: 10.1186/s12913-020-05895-y.
How and to what extent can pensions facilitate increased use of health services by older people: evidence from social pension expansion in rural ChinaChen S, Chen X, Law S, Lucas H, Tang S, Long Q, Xue L, Wang Z. How and to what extent can pensions facilitate increased use of health services by older people: evidence from social pension expansion in rural China BMC Health Services Research 2020, 20: 1008. PMID: 33148248, PMCID: PMC7640495, DOI: 10.1186/s12913-020-05831-0.
Understanding Health and Social Challenges for Aging and Long-Term Care in ChinaYang W, Wu B, Tan SY, Li B, Lou VWQ, Chen Z, Chen X, Fletcher JR, Carrino L, Hu B, Zhang A, Hu M, Wang Y. Understanding Health and Social Challenges for Aging and Long-Term Care in China Research On Aging 2020, 43: 127-135. PMID: 32677535, PMCID: PMC7961665, DOI: 10.1177/0164027520938764.
Measuring spatial accessibility and within-province disparities in accessibility to county hospitals in Shaanxi Province of Western China based on web mapping navigation dataShen C, Zhou Z, Lai S, Lu L, Dong W, Su M, Zhang J, Wang X, Deng Q, Chen Y, Chen X. Measuring spatial accessibility and within-province disparities in accessibility to county hospitals in Shaanxi Province of Western China based on web mapping navigation data International Journal For Equity In Health 2020, 19: 99. PMID: 32552715, PMCID: PMC7302366, DOI: 10.1186/s12939-020-01217-0.
Impacts of social and economic factors on the transmission of coronavirus disease 2019 (COVID-19) in ChinaQiu Y, Chen X, Shi W. Impacts of social and economic factors on the transmission of coronavirus disease 2019 (COVID-19) in China Journal Of Population Economics 2020, 33: 1127-1172. PMID: 32395017, PMCID: PMC7210464, DOI: 10.1007/s00148-020-00778-2.
Barriers of effective health insurance coverage for rural-to-urban migrant workers in China: a systematic review and policy gap analysisChen S, Chen Y, Feng Z, Chen X, Wang Z, Zhu J, Jin J, Yao Q, Xiang L, Yao L, Sun J, Zhao L, Fung H, Wong EL, Dong D. Barriers of effective health insurance coverage for rural-to-urban migrant workers in China: a systematic review and policy gap analysis BMC Public Health 2020, 20: 408. PMID: 32228665, PMCID: PMC7106835, DOI: 10.1186/s12889-020-8448-8.
Impacts of Social and Economic Factors on the Transmission of Coronavirus Disease 2019 (COVID-19) in China.Qiu Y, Chen X, Shi W. Impacts of Social and Economic Factors on the Transmission of Coronavirus Disease 2019 (COVID-19) in China. MedRxiv : The Preprint Server For Health Sciences 2020 PMID: 32511444, PMCID: PMC7239065, DOI: 10.1101/2020.03.13.20035238.
Attributable risk and economic cost of hospital admissions for mental disorders due to PM2.5 in BeijingWu Z, Chen X, Li G, Tian L, Wang Z, Xiong X, Yang C, Zhou Z, Pan X. Attributable risk and economic cost of hospital admissions for mental disorders due to PM2.5 in Beijing The Science Of The Total Environment 2020, 718: 137274. PMID: 32109812, PMCID: PMC9429815, DOI: 10.1016/j.scitotenv.2020.137274.
Linking early life risk factors to frailty in old age: evidence from the China Health and Retirement Longitudinal Study.Li Y, Xue QL, Odden MC, Chen X, Wu C. Linking early life risk factors to frailty in old age: evidence from the China Health and Retirement Longitudinal Study. Age And Ageing 2020, 49: 208-217. PMID: 31957780, PMCID: PMC7047816, DOI: 10.1093/ageing/afz160.
Health inequality among Chinese older adults: The role of childhood circumstancesYan B, Chen X, Gill TM. Health inequality among Chinese older adults: The role of childhood circumstances The Journal Of The Economics Of Ageing 2020, 17: 100237. PMID: 32064224, PMCID: PMC7021249, DOI: 10.1016/j.jeoa.2020.100237.
Associations between prenatal sunshine exposure and birth outcomes in ChinaZhang X, Wang Y, Chen X, Zhang X. Associations between prenatal sunshine exposure and birth outcomes in China The Science Of The Total Environment 2020, 713: 136472. PMID: 31955080, PMCID: PMC7047502, DOI: 10.1016/j.scitotenv.2019.136472.
Leaving money on the table? Suboptimal enrollment in the new social pension program in ChinaChen X, Hu L, Sindelar J. Leaving money on the table? Suboptimal enrollment in the new social pension program in China The Journal Of The Economics Of Ageing 2019, 15: 100233. PMID: 32864327, PMCID: PMC7453761, DOI: 10.1016/j.jeoa.2019.100233.
Spatial Lifecourse Epidemiology Reporting Standards (ISLE-ReSt) statementJia P, Yu C, Remais JV, Stein A, Liu Y, Brownson RC, Lakerveld J, Wu T, Yang L, Smith M, Amer S, Pearce J, Kestens Y, Kwan MP, Lai S, Xu F, Chen X, Rundle A, Xiao Q, Xue H, Luo M, Zhao L, Cheng G, Yang S, Zhou X, Li Y, Panter J, Kingham S, Jones A, Johnson BT, Shi X, Zhang L, Wang L, Wu J, Mavoa S, Toivonen T, Mwenda KM, Wang Y, Verschuren WMM, Vermeulen R, James P. Spatial Lifecourse Epidemiology Reporting Standards (ISLE-ReSt) statement Health & Place 2019, 61: 102243. PMID: 32329723, DOI: 10.1016/j.healthplace.2019.102243.
China CDC Weekly: Bridging the Global and Chinese Public Health Communities.Chen X. China CDC Weekly: Bridging the Global and Chinese Public Health Communities. China CDC Weekly 2019, 1: 43-44. PMID: 34594601, PMCID: PMC8424668.
Depression in the house: The effects of household air pollution from solid fuel use among the middle-aged and older population in ChinaLiu Y, Chen X, Yan Z. Depression in the house: The effects of household air pollution from solid fuel use among the middle-aged and older population in China The Science Of The Total Environment 2019, 703: 134706. PMID: 31731156, PMCID: PMC9420076, DOI: 10.1016/j.scitotenv.2019.134706.
Revisiting gender gap in quality of health care in urban China: a standardised patient audit studySi Y, Zhou Z, Su M, Chen X. Revisiting gender gap in quality of health care in urban China: a standardised patient audit study The Lancet 2019, 394: s25. DOI: 10.1016/s0140-6736(19)32361-x.
Social pension expansions and health-care utilisation in China: cross-sectional evidence from the New Rural Pension SchemeHu H, Si Y, Chen X. Social pension expansions and health-care utilisation in China: cross-sectional evidence from the New Rural Pension Scheme The Lancet 2019, 394: s91. DOI: 10.1016/s0140-6736(19)32427-4.
Climate change and quality of health care: evidence from extreme heatSi Y, Zhou Z, Su M, Chen X. Climate change and quality of health care: evidence from extreme heat The Lancet 2019, 394: s94. DOI: 10.1016/s0140-6736(19)32430-4.
Effect of family income on cognition in older adults in China: an instrumental-variables decomposition analysisHu H, Si Y, Chen X. Effect of family income on cognition in older adults in China: an instrumental-variables decomposition analysis The Lancet 2019, 394: s81. DOI: 10.1016/s0140-6736(19)32417-1.
China in transition: health, wealth, and globalisationLiu GG, Chen X. China in transition: health, wealth, and globalisation The Lancet Public Health 2019, 4: e444-e445. PMID: 31493838, PMCID: PMC6790332, DOI: 10.1016/s2468-2667(19)30151-3.
Top 10 Research Priorities in Spatial Lifecourse EpidemiologyJia P, Lakerveld J, Wu J, Stein A, Root ED, Sabel CE, Vermeulen R, Remais JV, Chen X, Brownson RC, Amer S, Xiao Q, Wang L, Verschuren WMM, Wu T, Wang Y, James P. Top 10 Research Priorities in Spatial Lifecourse Epidemiology Environmental Health Perspectives 2019, 127: 074501. PMID: 31271296, PMCID: PMC6791465, DOI: 10.1289/ehp4868.
Associations of genetics, behaviors, and life course circumstances with a novel aging and healthspan measure: Evidence from the Health and Retirement StudyLiu Z, Chen X, Gill TM, Ma C, Crimmins EM, Levine ME. Associations of genetics, behaviors, and life course circumstances with a novel aging and healthspan measure: Evidence from the Health and Retirement Study PLOS Medicine 2019, 16: e1002827. PMID: 31211779, PMCID: PMC6581243, DOI: 10.1371/journal.pmed.1002827.
Decomposing inequality in catastrophic health expenditure for self-reported hypertension household in Urban Shaanxi, China from 2008 to 2013: two waves’ cross-sectional studySi Y, Zhou Z, Su M, Wang X, Lan X, Wang D, Gong S, Xiao X, Shen C, Ren Y, Zhao D, Hong Z, Bian Y, Chen X. Decomposing inequality in catastrophic health expenditure for self-reported hypertension household in Urban Shaanxi, China from 2008 to 2013: two waves’ cross-sectional study BMJ Open 2019, 9: e023033. PMID: 31076467, PMCID: PMC6528006, DOI: 10.1136/bmjopen-2018-023033.
Does money relieve depression? Evidence from social pension expansions in ChinaChen X, Wang T, Busch SH. Does money relieve depression? Evidence from social pension expansions in China Social Science & Medicine 2018, 220: 411-420. PMID: 30530234, PMCID: PMC6800113, DOI: 10.1016/j.socscimed.2018.12.004.
Assessing the effects of the percentage of chronic disease in households on health payment-induced poverty in Shaanxi Province, ChinaLan X, Zhou Z, Si Y, Shen C, Fan X, Chen G, Zhao D, Chen X. Assessing the effects of the percentage of chronic disease in households on health payment-induced poverty in Shaanxi Province, China BMC Health Services Research 2018, 18: 871. PMID: 30458772, PMCID: PMC6245518, DOI: 10.1186/s12913-018-3698-1.
Smog, Cognition and Real-World Decision-MakingChen X. Smog, Cognition and Real-World Decision-Making International Journal Of Health Policy And Management 2018, 8: 76-80. PMID: 30980620, PMCID: PMC6462201, DOI: 10.15171/ijhpm.2018.105.
Does daughter deficit promote paternal substance use? Evidence from ChinaChen X. Does daughter deficit promote paternal substance use? Evidence from China Journal Of Hospital Management And Health Policy 2018, 2: 47-47. PMID: 30406215, PMCID: PMC6217791, DOI: 10.21037/jhmhp.2018.08.04.
The impact of exposure to air pollution on cognitive performanceZhang X, Chen X, Zhang X. The impact of exposure to air pollution on cognitive performance Proceedings Of The National Academy Of Sciences Of The United States Of America 2018, 115: 9193-9197. PMID: 30150383, PMCID: PMC6140474, DOI: 10.1073/pnas.1809474115.
Socio-Economic Inequalities in Tobacco Consumption of the Older Adults in China: A Decomposition MethodSi Y, Zhou Z, Su M, Wang X, Li D, Wang D, He S, Hong Z, Chen X. Socio-Economic Inequalities in Tobacco Consumption of the Older Adults in China: A Decomposition Method International Journal Of Environmental Research And Public Health 2018, 15: 1466. PMID: 29997376, PMCID: PMC6069145, DOI: 10.3390/ijerph15071466.
Air pollution associated with non-suicidal self-injury in Chinese adolescent students: A cross-sectional studyLiu W, Sun H, Zhang X, Chen Q, Xu Y, Chen X, Ding Z. Air pollution associated with non-suicidal self-injury in Chinese adolescent students: A cross-sectional study Chemosphere 2018, 209: 944-949. PMID: 30114744, PMCID: PMC6100799, DOI: 10.1016/j.chemosphere.2018.06.168.
Do skewed sex ratios among children promote parental smoking? Longitudinal evidence from rural ChinaChen X. Do skewed sex ratios among children promote parental smoking? Longitudinal evidence from rural China Journal Of Substance Use 2018, 23: 366-370. PMID: 30918465, PMCID: PMC6433401, DOI: 10.1080/14659891.2017.1421273.
The impact of social pensions on intergenerational relationships: Comparative evidence from ChinaChen X, Eggleston K, Sun A. The impact of social pensions on intergenerational relationships: Comparative evidence from China The Journal Of The Economics Of Ageing 2017, 12: 225-235. PMID: 30534523, PMCID: PMC6286058, DOI: 10.1016/j.jeoa.2017.04.001.
Happiness in the air: How does a dirty sky affect mental health and subjective well-being?Zhang X, Zhang X, Chen X. Happiness in the air: How does a dirty sky affect mental health and subjective well-being? Journal Of Environmental Economics And Management 2017, 85: 81-94. PMID: 29081551, PMCID: PMC5654562, DOI: 10.1016/j.jeem.2017.04.001.
Valuing Air Quality Using Happiness Data: The Case of ChinaZhang X, Zhang X, Chen X. Valuing Air Quality Using Happiness Data: The Case of China Ecological Economics 2017, 137: 29-36. PMID: 28989234, PMCID: PMC5626438, DOI: 10.1016/j.ecolecon.2017.02.020.
OLD‐AGE PENSION AND EXTENDED FAMILIES: HOW IS ADULT CHILDREN'S INTERNAL MIGRATION AFFECTED?Chen X. OLD‐AGE PENSION AND EXTENDED FAMILIES: HOW IS ADULT CHILDREN'S INTERNAL MIGRATION AFFECTED? Contemporary Economic Policy 2015, 34: 646-659. PMID: 28408796, PMCID: PMC5386403, DOI: 10.1111/coep.12161.
Old age pension and intergenerational living arrangements: a regression discontinuity designChen X. Old age pension and intergenerational living arrangements: a regression discontinuity design Review Of Economics Of The Household 2015, 15: 455-476. PMID: 29051720, PMCID: PMC5642942, DOI: 10.1007/s11150-015-9304-y.
Relative deprivation and individual well-being: Low status and a feeling of relative deprivation are detrimental to health and happiness.Chen X. Relative deprivation and individual well-being: Low status and a feeling of relative deprivation are detrimental to health and happiness. IZA World Of Labor 2015, 2015 PMID: 29034098, PMCID: PMC5638129, DOI: 10.15185/izawol.140.
Commercial plasma donation and individual health in impoverished rural ChinaChen X. Commercial plasma donation and individual health in impoverished rural China Health Economics Review 2014, 4: 30. PMID: 26208930, PMCID: PMC4502079, DOI: 10.1186/s13561-014-0030-6.
Fetus, fasting, and festival: the persistent effects of in utero social shocks.Chen X. Fetus, fasting, and festival: the persistent effects of in utero social shocks. International Journal Of Health Policy And Management 2014, 3: 165-9. PMID: 25279378, PMCID: PMC4181965, DOI: 10.15171/ijhpm.2014.92.
Gift-Giving and Network Structure in Rural China: Utilizing Long-Term Spontaneous Gift RecordsChen X. Gift-Giving and Network Structure in Rural China: Utilizing Long-Term Spontaneous Gift Records PLOS ONE 2014, 9: e102104. PMID: 25111696, PMCID: PMC4128647, DOI: 10.1371/journal.pone.0102104.
Chen, Xi. “Essays on Social Networks: Relative Concerns, Social Interactions, and Unintended Consequences.” PhD Dissertation, Cornell University. Outstanding Doctoral Dissertation Honorable MentionChen X. Chen, Xi. “Essays on Social Networks: Relative Concerns, Social Interactions, and Unintended Consequences.” PhD Dissertation, Cornell University. Outstanding Doctoral Dissertation Honorable Mention American Journal Of Agricultural Economics 2013, 96: 607-608. DOI: 10.1093/ajae/aat072.

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