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Stanford Center on China’s Economy and Institutions is a joint effort of the Freeman Spogli Institute for International Studies and Stanford Institute for Economic Policy Research.

Publications

Publications

Journal Article

Infant Cognitive Development and Stimulating Parenting Practices in Rural China

Hannah Johnstone, Yi Yang, Hao Xue, Scott Rozelle

Environmental Research and Public Health , 2021

This study examines the prevalence of cognitive delay among infants and toddlers in rural China and its relationship with one of the potential sources of the observed delay: low levels of stimulating parenting practices (SPPs). Data were compiled from five distinct studies, resulting in a pooled sample of 4436 caregivers of 6–29-month-old infants. The sampling sites span five provinces in rural China. According to the data, on average, rates of delay are high—51 percent. The low rates of SPPs among our sample demonstrate that this may be one source of the high prevalence of delays. The results of the multivariate regression analysis reveal that reading books and singing songs are each significantly associated with an increase in infant cognitive score by 1.62 points (p = 0.003) and 2.00 points (p < 0.001), respectively. Telling stories to infants, however, is not significantly associated with infant cognitive scores. Our findings indicate that caregivers with different characteristics engage in various levels of stimulating practices and have infants with different rates of delay. Specifically, infants of better-educated mothers who have greater household assets are in families in which the caregivers provide more SPPs and have infants who score higher on the study’s cognitive abilities scales.

Early Childhood Development Education Education Journal Article

Journal Article

Comparing the Quality of Primary Care between Public and Private Providers in Urban China: A Standardized Patient Study

Min Su, Zhongliang Zhou, Yafei Si, Sean Sylvia, Gang Chen, Yanfang Su, Scott Rozelle, Xiaolin Wei

International Journal of Environmental Research and Public Health , 2021

Previous studies have been limited by not directly comparing the quality of public and private CHCs using a standardized patient method (SP). This study aims to evaluate and compare the quality of the primary care provided by public and private CHCs using a standardized patient method in urban China. We recruited 12 standardized patients from the local community presenting fixed cases (unstable angina and asthma), including 492 interactions between physicians and standardized patients across 63 CHCs in Xi’an, China. We measured the quality of primary care on seven criteria: (1) adherence to checklists, (2) correct diagnosis, (3) correct treatment, (4) number of unnecessary exams and drugs, (5) diagnosis time, (6) expense of visit, (7) patient-centered communication. Significant quality differences were observed between public CHCs and private CHCs. Private CHC physicians performed 4.73 percentage points lower of recommended questions and exams in the checklist. Compared with private CHCs, public CHC providers were more likely to give a higher proportion of correct diagnosis and correct treatment. Private CHCs provided 1.42 fewer items of unnecessary exams and provided 0.32 more items of unnecessary drugs. Private CHC physicians received a 9.31 lower score in patient-centered communication. There is significant quality inequality in different primary care models. Public CHC physicians might provide a higher quality of service. Creating a comprehensive, flexible, and integrated health care system should be considered an effective approach towards optimizing the management of CHC models.

Health Journal Article

Journal Article

Health, Economic, and Social Implications of COVID-19 for China's Rural Population

Huan Wang, Sarah-Eve Dill, Huan Zhou, Yue Ma, Hao Xue, Sean Sylvia, Kumi Smith, Matthew Boswell, Alexis Medina, Prashant Loyalka, Cody Abbey, Dimitris Friesen, Nathan Rose, Yian Guo, Scott Rozelle

Agricultural Economics , 2021

This study examines the effects of local and nationwide COVID‐19 disease control measures on the health and economy of China's rural population. We conducted phone surveys with 726 randomly selected village informants across seven rural Chinese provinces in February 2020. Four villages (0.55%) reported infections, and none reported deaths. Disease control measures had been universally implemented in all sample villages. About 74% of informants reported that villagers with wage‐earning jobs outside the village had stopped working due to workplace closures. A higher percentage of rural individuals could not work due to transportation, housing, and other constraints. Local governments had taken measures to reduce the impact of COVID‐19. Although schools in all surveyed villages were closed, 71% of village informants reported that students were attending classes online. Overall, measures to control COVID‐19 appear to have been successful in limiting disease transmission in rural communities outside the main epidemic area. Rural Chinese citizens, however, have experienced significant economic consequences from the disease control measures.

Health Journal Article

Working Paper

Entrepreneurial Reluctance: Talent and Firm Creation in China

Chong-En Bai, Ruixue Jia, Hongbin LI, Xin Wang

National Bureau of Economic Research (NBER) , 2021

The theoretical literature has long noted that talent can be used in both the entrepreneurial and non-entrepreneurial sectors, and its allocation depends on the reward structure. We test these hypotheses by linking administrative college admissions data for 1.8 million individuals with the universe of firm registration records in China. Within a college, we find that individuals with higher college entrance exam scores – the most important measure of talent in this context – are less likely to create firms, but, when they do, their firms are more successful than those of their lower-score counterparts. Additional survey data suggest that higher-score individuals enjoy higher wages and are more likely to join the state sector. Moreover, the score-to-firm creation relationship varies greatly across industry, according to the size of the state sector. These findings suggest that the score is positively associated with both entrepreneurial ability and wage-job ability but higher-score individuals are attracted away by wage jobs, particularly those of the state sector.

Business Working Paper

Journal Article

Trajectories of Child Cognitive Development During Ages 0-3 in Rural Western China: Prevalence, Risk Factors and Links to Preschool-Age Cognition

Lei Wang, Yifei Chen, Sean Sylvia, Sarah-Eve Dill, Scott Rozelle

BMC Pediatrics , 2021

Background: Cognitive development after age three tends to be stable and can therefore predict cognitive skills in later childhood. However, there is evidence that cognitive development is less stable before age three. In rural China, research has found large shares of children under age three are developmentally delayed, yet little is known about the trajectories of cognitive development between 0 and 3 years of age or how developmental trajectories predict later cognitive skills. This study seeks to describe the trajectories of child cognitive development between the ages of 0–3 years and examine how different trajectories predict cognitive development at preschool age. Methods: We collected three waves of longitudinal panel data from 1245 children in rural Western China. Child cognitive development was measured by the Bayley Scales of Infant Development when the child was 6–12 months and 22–30 months, and by the Wechsler Preschool and Primary Scale of Intelligence-Fourth Edition when the child was 49–65 months. We used the two measures of cognitive development before age three to determine the trajectories of child cognitive development. Results: Of the children, 39% were never cognitively delayed; 13% were persistently delayed; 7% experienced improving cognitive development; and 41% experienced deteriorating development before age 3. Compared to children who had never experienced cognitive delay, children with persistent cognitive delay and those with deteriorating development before age 3 had significantly lower cognitive scores at preschool age. Children with improving development before age 3 showed similar levels of cognition at preschool age as children who had never experienced cognitive delay. Conclusions: Large shares of children under age 3 in rural Western China show deteriorating cognitive development from infancy to toddlerhood, which predict lower levels of cognition at preschool age. Policymakers should invest in improving cognitive development before age 3 to prevent long-term poor cognition among China’s rural children.

Early Childhood Development International Development Education Journal Article

Journal Article

Publishing and Assessing the Research of Economists: Lessons from Public Health

Sean Sylvia, Scott Rozelle

China Economic Review , 2021

We highlight a growing concern in the economics profession that young scholars face incentives that are misaligned with conducting research that furthers knowledge and addresses pressing policy problems. The premium given to publication in top journals leads to an emphasis on exhaustive treatment of narrow questions. Detailed, robustly identified studies of novel questions are of undeniable value; however, the opportunity cost of producing such studies is large in terms of research quantity and policy relevance. For economists who aim to achieve what we view as the ultimate goals of academic research (enhancing understanding of the world, solving social problems, and building foundational knowledge to enable future breakthroughs), we offer some insights from publication philosophy in the field of public health. We discuss how public health has developed norms around publishing that are more successful in meeting these ultimate goals. We then offer thoughts on potential lessons for young economists in China and the economics discipline.

Health Journal Article

Policy Brief

Tracking China's Economic Path

Hongbin Li, Scott Rozelle

2021

Stanford scholars are setting and expanding research agendas to analyze China’s economic development and its impact on the world. The newly launched Stanford Center on China’s Economy and Institutions — co-directed by SIEPR senior fellows Hongbin Li and Scott Rozelle — is supporting their work. In this SIEPR Policy Brief, Li and Rozelle outline the research underway by the new center's affiliates.

Business Health International Development Business Economic Affairs Education Environment Society Demographics Education Policy Brief

Journal Article

Variations in the Home Language Environment and Early Language Development in Rural China

Yue Ma, Laura Jonsson, Tianli Feng, Tyler Weisberg, Teresa Shao, Zixin Yao, Dongming Zhang, Sarah-Eve Dill, Yian Guo, Yue Zhang, Dimitris Friesen, Scott Rozelle

International Journal of Environmental Research and Public Health , 2021

The home language environment is critical to early language development and subsequent skills. However, few studies have quantitatively measured the home language environment in low-income, developing settings. This study explores variations in the home language environment and child language skills among households in poor rural villages in northwestern China. Audio recordings were collected for 38 children aged 20–28 months and analyzed using Language Environment Analysis (LENA) software; language skills were measured using the MacArthur–Bates Mandarin Communicative Developmental Inventories expressive vocabulary scale. The results revealed large variability in both child language skills and home language environment measures (adult words, conversational turns, and child vocalizations) with 5- to 6-fold differences between the highest and lowest scores. Despite variation, however, the average number of adult words and conversational turns were lower than found among urban Chinese children. Correlation analyses did not identify significant correlations between demographic characteristics and the home language environment. However, the results do indicate significant correlations between the home language environment and child language skills, with conversational turns showing the strongest correlation. The results point to a need for further research on language engagement and ways to increase parent–child interactions to improve early language development among young children in rural China.

Early Childhood Development Journal Article

Journal Article

It All Starts at Home: 'Home Reading Environment and Reading Outcomes in Rural China'

Quifeng Gao, Yang Zhang, Wei Nie, Han Liu, Huan Wang, Yaojiang Shi

Journal of Research in Reading , 2021

Background: The educational resources that parents provide at home are crucial to their children’s development. In this study, we focused on home reading environment, a key contributor to success rates regarding the mastery of reading skills. We aimed to investigate students’ home reading environments and examine its effect on the reading development of primary school students in rural China. Methods: We draw on a dataset composed of 10,740 randomly selected primary school students and their households in rural areas of Jiangxi province in China. Surveys were administered by trained enumerators in May 2015. Results: The results show that students exhibited quite poor reading environments and reading outcomes. Specifically, we found the majority of the rural students lacked reading and learning resources in the context of their families and their parents did not enjoy reading or support their children’s reading. Moreover, our regression analysis documented students with poorer home reading environments are more likely to have worse reading performance. Conclusion: Our study supports the significance of the home reading environment in the reading development of students in the upper elementary grades in rural China. Furthermore, the results suggest that the home reading environments of rural Chinese students must be improved.

Education Journal Article

Journal Article

Skill Levels and Gains in University STEM Education in China, India, Russia, and the United States

Prashant Loyalka, Ou Lydia Liu, Guirong Li, Elena Kardanova, Igor Chirikov, Shangfeng Hu, Ningning Yu, Liping Ma, Fei Guo, Tara Beteille, Namrata Tognatta, Lin Gu, Guangming Ling, Denis Federiakin, Huan Wang, Saurabh Khanna, Ashutosh Bhuradia, Zhaolei Shi, Yanyan Li

Nature Human Behavior , 2021

Universities contribute to economic growth and national competitiveness by equipping students with higher-order thinking and academic skills. Despite large investments in university science, technology, engineering and mathematics (STEM) education, little is known about how the skills of STEM undergraduates compare across countries and by institutional selectivity. Here, we provide direct evidence on these issues by collecting and analysing longitudinal data on tens of thousands of computer science and electrical engineering students in China, India, Russia and the United States. We find stark differences in skill levels and gains among countries and by institutional selectivity. Compared with the United States, students in China, India and Russia do not gain critical thinking skills over four years. Furthermore, while students in India and Russia gain academic skills during the first two years, students in China do not. These gaps in skill levels and gains provide insights into the global competitiveness of STEM university students across nations and institutional types.

Education Education Journal Article

Journal Article

Improving Learning by Improving Vision: Evidence from Two Randomized Controlled Trials of Providing Vision Care in China

Xiaochen Ma, Huan Wang, Yaojiang Shi, Sean Sylvia, Lei Wang, Yiwei Qian, Scott Rozelle

Journal of Development Effectiveness , 2021

This paper examines the external validity of health intervention by comparing the impacts of providing free eyeglasses on the educational performance of nearsighted children in two settings: rural public schools in Western China and urban private migrant schools in Eastern China. The intervention significantly improves educational outcomes by 0.14 standard deviations in math in rural public schools but not in private migrant schools. The difference in measured impacts is due in part to lower quality schooling in migrant schools in Eastern China. Our findings show that only when school is providing a quality education, health interventions might increase student learnings.

Health Vision Care Journal Article

Journal Article

The Impact of Internet Use on Adolescent Learning Outcomes: Evidence from Rural China

Lili Li, Yue Ma, Dimitris Friesen, Zhonggen Zhang, Songqing Jin, Scott Rozelle

China Agricultural Economic Review , 2021

Purpose: Internet use has become particularly prevalent among adolescents, prompting much thought and concern about both its potential benefits and adverse effects on adolescent learning outcomes. Much of the empirical literature on the impact of Internet use on adolescent learning outcomes is mixed, and few studies examine the causal relationship between the two in rural China. In order to bridge these gaps, we use empirical analysis to investigate the effect of Internet use on the learning outcomes of adolescents in rural China. Design/methodology/approach: We use fixed effect models with samples drawn from a large nationally representative dataset (the China Family Panel Studies—CFPS) to identify the causal impacts of Internet use on the learning outcomes of three cohorts (Cohort A (N = 540), Cohort B (N = 287) and Cohort C (N = 827)) of adolescents in rural China. Findings: The results of the descriptive analysis show a continued increase in the number of adolescents accessing the Internet and the amount of time they spend online. The results of the fixed effect models show that Internet use has positive (in many of the analyses), but mostly insignificant impacts, on the learning outcomes of adolescents. In the sets of results that find significant associations between Internet use and learning outcomes, the measured effects are moderate. Originality/value: This study investigates the causal relationship between Internet use and adolescent learning outcomes in rural China. The findings claim that there is not a great need to worry about adverse effects of Internet use on adolescent learning development. Attention, however, should focus on seeking ways to improve the positive effects of the Internet use on adolescent learning outcomes. The study will provide a reference and experience for the development of education and the Internet in rural areas and promote the integrated development of urban and rural areas in China.

Technology Education Journal Article

Journal Article

Early Childhood Reading in Rural China and Obstacles to Caregiver Investment in Young Children: A Mixed-Methods Analysis

Rui Li, Nathan Rose, Yi Ming Zheng, Yunwei Chen, Sean Sylvia, Henry Wilson-Smith, Alexis Medina, Sarah-Eve Dill, Scott Rozelle

International Journal of Environmental Research and Public Health , 2021

Studies have shown that nearly half of rural toddlers in China have cognitive delays due to an absence of stimulating parenting practices, such as early childhood reading, during the critical first three years of life. However, few studies have examined the reasons behind these low levels of stimulating parenting, and no studies have sought to identify the factors that limit caregivers from providing effective early childhood reading practices (EECRP). This mixed-methods study investigates the perceptions, prevalence, and correlates of EECRP in rural China, as well as associations with child cognitive development. We use quantitative survey results from 1748 caregiver–child dyads across 100 rural villages/townships in northwestern China and field observation and interview data with 60 caregivers from these same sites. The quantitative results show significantly low rates of EECRP despite positive perceptions of early reading and positive associations between EECRP and cognitive development. The qualitative results suggest that low rates of EECRP in rural China are not due to the inability to access books, financial or time constraints, or the absence of aspirations. Rather, the low rate of book ownership and absence of reading to young children is driven by the insufficient and inaccurate knowledge of EECRP among caregivers, which leads to their delayed, misinformed reading decisions with their young children, ultimately contributing to developmental delays.

Early Childhood Development Education Education Journal Article

Working Paper

Just Above the Exam Cutoff Score: Elite College Admission and Wages in China

Ruixue Jia, Hongbin Li

National Bureau of Economic Research , 2021

A burgeoning literature has documented the importance of elite colleges. Yet, little is known about access to elite education and its labor market implications in China, a country that produces one in every five college graduates in the world. College admission in China is governed by a single exam—the national college entrance exam, and the government sets admission cutoff scores for elite colleges. We examine the impacts of scoring above the elite-tier cutoff on a student's access to elite colleges and wage outcomes after graduation, using the discontinuity around the cutoff score. By employing hand-collected survey data, we find that scoring above the cutoff not only increases the chance of entering an elite college but also raises a young person's first-job wages after graduation. We also find that those just above the cutoff have peers with higher scores and better social networks than those below the cutoff, but it is less clear whether the two groups use their time differently in college.

Business Working Paper

Journal Article

Tracking the Effects of COVID-19 in Rural China Over Time

Huan Wang, Markus Zhang, Robin Li, Oliver Zhong, Hannah Johnstone, Huan Zhou, Hao Xue, Sean Sylvia, Matthew Boswell, Prashant Loyalka, Scott Rozelle

International Journal for Equity in Health , 2021

Background: China issued strict nationwide guidelines to combat the COVID-19 outbreak in January 2020 and gradually loosened the restrictions on movement in early March. Little is known about how these disease control measures affected the 600 million people who live in rural China. The goal of this paper is to document the quarantine measures implemented in rural China outside the epicenter of Hubei Province and to assess the socioeconomic effect of the measures on rural communities over time. Methods: We conducted three rounds of interviews with informants from 726 villages in seven provinces, accounting for over 25% of China’s overall rural population. The survey collected data on rural quarantine implementation; COVID-19 infections and deaths in the survey villages; and effects of the quarantine on employment, income, education, health care, and government policies to address any negative impacts. The empirical findings of the work established that strict quarantine measures were implemented in rural villages throughout China in February. Results: There was little spread of COVID-19 in rural communities: an infection rate of 0.001% and zero deaths reported in our sample. However, there were negative social and economic outcomes, including high rates of unemployment, falling household income, rising prices, and disrupted student learning. Health care was generally accessible, but many delayed their non-COVID-19 health care due to the quarantine measures. Only 20% of villagers received any form of local government aid, and only 11% of villages received financial subsidies. There were no reports of national government aid programs that targeted rural villagers in the sample areas. Conclusions: By examining the economic and social effects of the COVID-19 restrictions in rural communities, this study will help to guide other middle- and low-income countries in their containment and restorative processes. Without consideration for economically vulnerable populations, economic hardships and poverty will likely continue to have a negative impact on the most susceptible communities.

Health Journal Article

Journal Article

Rural Minimum Living Standard Guarantee (Rural Dibao) Program Boosts Children's Education Outcomes in Rural China

Zixuan He, Xiangming Fang, Nathan Rose, Xiaodong Zheng, Scott Rozelle

China Agricultural Economic Review , 2021

Purpose: To combat poverty in China's rural areas, Chinese government has established an unconditional cash transfer program known as the Rural Minimum Living Standard Guarantee (Rural Dibao) Program. Interestingly, despite the importance of education in breaking cycles of poverty, little is known about Rural Dibao's impact on rural children's education.

Education Education Journal Article

Journal Article

IQ, Grit, and Academic Achievement: Evidence from Rural China

Xinyue He, Huan Wang, Fang Chang, Sarah-Eve Dill, Han Liu, Bin Tang, Yaojiang Shi

International Journal of Educational Development , 2021

Promoting an educated labor force is critical for emerging economies. Educational achievement, in turn, depends heavily on general cognitive abilities as well as non-cognitive skills, such as grit. Current research, however, has not examined how cognition and grit may explain the academic performance of students in an economically disadvantaged context. Thus, this study examines how IQ and grit contribute to academic achievement gains for students in poor areas of rural China. Drawing on data from 2931 students in rural China, we measure general cognitive ability, using the Wechsler Intelligence Scale for Children, Fourth Edition (WISC-IV) and Raven’s Standard Progressive Matrices (Raven IQ); non-cognitive ability, using the Short Grit Scale; and academic achievement, using a curricular-based mathematics exam. We find that IQ and grit each predict achievement gains for the average student. Grit is not positively associated with achievement gains among low-IQ students, however, suggesting that grit does not translate into academic achievement gains for students with delays in general cognitive ability.

Education Journal Article

Journal Article

The Performance of State-Owned Enterprises: New Evidence from the China Employer-Employee Survey

Hong Cheng, Hongbin Li, Tang Li

Economic Development and Cultural Change , 2021

Drawing on data from a random sample of manufacturing firms collected in 2016 for the China Employer-Employee Survey (CEES), we examine differences in measures of productivity and financial returns between state-owned enterprises (SOEs) and private firms in China. The summary statistics show that labor productivity and total factor productivity are generally higher at SOEs than at private firms, but the productivity advantage of SOEs can mostly be explained by the higher levels of human capital of their workers, greater market power, and better management. Furthermore, SOEs’ advantage in productivity exists only in industries with higher SOE concentrations. In contrast, measures of financial returns—return on assets and return on equity—are lower for SOEs than for private firms. We believe that these results may reflect the fact that SOEs generally have easier access to capital, human capital, and markets than other types of firms in China.

Business Business Journal Article

Journal Article

Cognitive Ability and Academic Performance Among Left-Behind Children: Evidence from Rural China

Xinyue He, Huan Wang, Dimitris Friesen, Yaojiang Shi, Fang Chang, Han Liu

Compare: A Journal of Comparative and International Education , 2020

Little attention has been paid to the role that low levels of cognitive development (or IQ) play among both left-behind children (LBCs) and children living with parents (CLPs) in the context of poor educational attainment in rural China. In this paper, we examine how general cognitive abilities contribute to the academic achievement gains of both LBCs and CLPs in poor areas of rural China. We measure the general cognitive ability of the 4,780 sample students using the Raven’s Standard Progressive Matrices (Raven IQ) and assess academic achievement using a curriculum-based mathematics exam. We find that IQ and left-behind status predict achievement gains for the average student. Among low-IQ students, however, left-behind status does not correlate with a change in achievement, suggesting that the migration of parents does not immediately/automatically translate into a loss of academic achievement for students with delays in their general cognitive ability.

International Development Education Migration Journal Article

Journal Article

The Impact of Online Computer Assisted Learning at Home for Disadvantaged Children in Taiwan: Evidence from a Randomized Experiment

Bin Tang, Te-Tien Ting, Chyi-In Wu, Yue Ma, Di Mo, Wei-Ting Hung, Scott Rozelle

Sustainability , 2020

In Taiwan, thousands of students from Yuanzhumin (aboriginal) families lag far behind their Han counterparts in academic achievement. When they fall behind, they often have no way to catch up. There is increased interest among both educators and policymakers in helping underperforming students catch up using computer-assisted learning (CAL). The objective of this paper is to examine the impact of an intervention aimed at raising the academic performance of students using an in-home CAL program. According to intention-to-treat estimates, in-home CAL improved the overall math scores of students in the treatment group relative to the control group by 0.08 to 0.20 standard deviations (depending on whether the treatment was for one or two semesters). Furthermore, Average Treatment Effect on the Treated analysis was used for solving the compliance problem in our experiment, showing that in-home CAL raised academic performance by 0.36 standard deviations among compliers. This study thus presents preliminary evidence that an in-home CAL program has the potential to boost the learning outcomes of disadvantaged students.

Technology Education Poverty Education Journal Article

Journal Article

The Impacts of Highly Resourced Vocational Schools on Student Outcomes in China

Guirong Li, Jiajia Xu, Liying Li, Zhaolei Shi, Hongmei Yi, James Chu, Elena Kardanova, Yanyan Li, Prashant Loyalka, Scott Rozelle

China & World Economy , 2020

Policymakers in developing countries have prioritized the mass expansion of vocational education and training (VET). Evidence suggests, however, that the quality of VET can be poor. One possible reason given by policymakers for this is a lack of resources per student. The goal of this study is to examine whether the quality of VET in developing countries increases by investing greater resources per student. To achieve this goal, we examine the impacts of attending model schools (which have far more resources per student) compared with non-model schools (which have fewer resources) on a range of student cognitive, non-cognitive, and behavioral outcomes. Using representative data from a survey of approximately 12,000 VET students from China, multivariate regression and propensity score matching analyses show that there are no significant benefits, in terms of student outcomes, from attending model vocational high schools, despite their substantially greater resources.

In the Classroom Education Education Journal Article

Journal Article

Maternal Health Behaviors During Pregnancy in Rural Northwestern China

Yue Ma, Yujuan Gao, Jason Li, Andrew Sun, Baozhu Wang, Jun Zhang, Sarah-Eve Dill, Alexis Medina, Scott Rozelle

BMC Pregnancy and Childbirth , 2020

Background: Maternal health during pregnancy is a key input in fetal health and child development. This study aims to systematically describe the health behaviors of pregnant women in rural China and identify which subgroups of women are more likely to engage in unhealthy behaviors during pregnancy.

Early Childhood Development Health Journal Article

Journal Article

The Status Quo of Teaching Reading Skills in Rural Primary Schools in China: PIRLS Questionnaires in Guizhou and Jiangxi

Miqi Jia, Qiufeng Gao, Lanxi Peng, Jingchun Nie, Huan Wang, Qian Zhou

Journal of East China Normal University , 2020

早期阅读能力的健康发展有利于提高小学生的学业成绩并改善其长期教育表现。本研究从学校和教师的角度探究我国农村小学阅读教学现状，为促进农村学生早期阅读发展奠定基础。基于贵州、江西150 所农村小学调查数据，通过国际比较发现，现阶段我国农村小学阅读教学仍存在教师学历水平相对较低、阅读培训时间较短、阅读教学基础教材单一、学校培养学生阅读技能时间较晚等不足。回归结果发现，农村小学阅读教学与学生阅读成绩存在显著正相关关系；教师学历与其参加阅读培训时长对农村小学生阅读成绩的提高尤为重要。学校应加强教师阅读培训的力度，丰富阅读教学资源，优化学校阅读环境。

In the Classroom Education Journal Article

Journal Article

Effects of Baby-Friendly Practices on Breastfeeding Duration in China: A Case-Control Study

Yue Zhang, Jinliuxing Yang, Wenhao Li, Nianrong Wang, Ya Ye, Shuangqin Yan, Sumei Wang, Ting Zeng, Zijuan Huang, Fenghua Zhang, Yin Li, Shiyi Yao, Haijun Wang, Scott Rozelle, Tao Xu, Xi Jin

International Breastfeeding Journal , 2020

Background: The Baby-Friendly Hospital Initiative is generally considered an effective way to promote breastfeeding. Although China has the largest number of baby-friendly hospitals in the world, research on baby-friendly practices in China is limited, and the rate of exclusive breastfeeding (EBF) at 6 months, 20.7%, compared to the 2025 global goal of 50% is low. It is, therefore, important to determine the factors that remain significant barriers to EBF in China. To explore how the key baby-friendly practices affect EBF duration in China, we used a case-control study to compare the effects of baby-friendly-related practices on both EBF and non-breastfeeding (NBF) mothers at 3 months and to investigate the effects of both single and comprehensive baby-friendly practices in promoting EBF duration at 3 months, which is one step toward EBF at 6 months. Methods: Participants were recruited from four maternal and child health hospitals in western (Chongqing), eastern (Qingdao), southern (Liuzhou), and central China (Maanshan). A total of 421 mothers (245 in the EBF group, 176 in the NBF group) of infants aged 3 months were surveyed through a self-reported questionnaire from April 2018 to March 2019. The experience of baby-friendly practices and breastfeeding during hospitalization were assessed with yes/no questions. Socio-demographic factors that influenced breastfeeding at 3 months were analyzed using bivariate and multivariate logistic regression analyses. Results: Of mothers in the EBF group, 65.57% reported engaging in at least seven baby-friendly practices compared to 47.72% of mothers in the NBF group. Significantly more mothers in the EBF group engaged in baby-friendly practices than in the NBF group. These practices included “breastfeeding within one hour after birth” (74.29% vs. 59.09%), “breastfeeding on demand” (86.48% vs. 75.00%), and “never use a pacifier” (46.53% vs. 31.25%). After adjusting for confounding variables, we found that the mothers who engaged in fewer than seven baby-friendly practices were about 1.7 times less likely to breastfeed than were those who engaged in seven or more baby-friendly practices (odds ratio [OR] 1.720, 95% confidence interval [CI] 1.106, 2.667). Further, the mothers who did not breastfeed on demand were as likely to not breastfeed up to 3 months (OR 2.263, 95% CI 1.265, 4.049), as were mothers who did not breastfeed during hospitalization (OR 4.379, 95% CI 1.815, 10.563). Conclusions: These data from hospitals in China suggest that higher compliance with baby-friendly practices may have a positive impact on EBF at 3 months, particularly in terms of promoting the implementation of breastfeeding on demand and breastfeeding during hospitalization in China.

Early Childhood Development Health Journal Article

Working Paper

Pandemics, Global Supply Chains, and Local Labor Demand: Evidence from 100 Million Posted Jobs in China

Hanming Fang, Chunmian Ge, Hanwei Huang, Hongbin Li

National Bureau of Economic Research , 2020

This paper studies how the COVID-19 pandemic has affected labor demand using over 100 million posted jobs on one of the largest online platforms in China. Our data reveals that, due to the effects of the pandemic both in China and abroad, the number of newly posted jobs within the first 13 weeks after the Wuhan lockdown on January 23, 2020 was about one third lower than that of the same lunar calendar weeks in 2018 and 2019. Using econometric methods, we show that, via the global supply chain, COVID-19 cases abroad and in particular pandemic-control policies by foreign governments reduced new job creations in China by 11.7%. We also find that Chinese firms most exposed to international trade outperformed other firms at the beginning of the pandemic but underperformed during recovery as the Novel Coronavirus spread throughout the world.

Business Working Paper

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