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BACKGROUND: The objectives of this study were to (a) assess the associations between early behavioral problems and intergenerational income mobility (i.e., the degree to which income status is transmitted from one generation to the next), (b) verify whether these associations are moderated by child sex, and (c) explore indirect effects of early behavioral problems on income mobility via high school graduation. METHODS: Data were drawn from the Quebec Longitudinal Study of Kindergarten Children (n = 3,020; 49.17% girls). Participants were followed from age 6 to 37 years. Measures included parents' and teachers' ratings of behavioral problems at age 6 years as well as participants' (ages 30-35 years) and their parents' (when participants were aged 10-19 years) income data obtained from tax return records. Regression models were used to predict upward and downward mobility (i.e., increased or decreased income status from one generation to the next) from attention-deficit/hyperactivity problems, conduct/opposition problems, depression/anxiety problems, prosociality, and the quality of children's relationship with their caregiver. Two-way interaction effects between behavioral problems and child sex were examined and indirect effect models including high school graduation as a mediator of these associations were conducted. RESULTS: Despite their higher educational attainment, females had lower incomes and experienced lower upward (but higher downward) income mobility than males. For both females and males, higher levels of attention-deficit/hyperactivity and conduct/opposition problems were associated with decreased odds of upward mobility, whereas higher levels of attention-deficit/hyperactivity were associated with increased odds of downward mobility. Attention-deficit/hyperactivity problems, conduct/opposition problems as well as low prosociality were associated with lower educational attainment (no high school diploma), which in turn was associated with increased odds of downward mobility. CONCLUSIONS: Results highlight the importance of providing intensive support to children with early behavioral problems as a means of improving educational attainment and intergenerational income mobility.
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Households have emerged as one of the primary sources for carbon emissions in China, thus posing challenges to the "dual carbon" objectives. Digital finance, an emergent form of industry that fused advanced technology with financial services, had a pronounced impact on household carbon emissions stemming from daily consumption. However, the mechanisms driving this impact have not been adequately examined. Based on micro-level household survey data across 25 Chinese provinces from 2012, 2014, 2016, and 2018, the study identified the chief channels via which digital finance affected household carbon emissions, deriving several key findings. First, digital finance augmented household carbon emissions, presenting a significant negative impact on the climate. Second, due to the existence of "digital divide" between rural and urban areas, the impact of digital finance was more subdued in rural areas. Additionally, the effects of digital finance were more pronounced in the affluent eastern provinces. Third, income mobility obscured the positive relationship between digital finance and household carbon emissions. This is primarily attributed to the urban-rural divide in China; taking into account that urban-to-rural transfers make income distribution more equitable, there is a counterintuitive drop in per capita consumption, thereby suppressing consumption-related carbon emissions. This presented the conundrum of "income distribution equality-consumption negativity". Finally, financial literacy was identified as a crucial positive moderating role, enabling households with high financial literacy to harness the dividends of digital finance, thereby engaging in more diversified consumption activities and intensifying the negative impact of digital finance on carbon emissions. The findings reinforced the pivotal role of digital finance in bolstering efforts to combat climate change and ensuring environmentally-responsible economic advancements.
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Carbono , Alfabetización , China , Cambio Climático , Renta , Desarrollo EconómicoRESUMEN
Individuals who have congenital conditions or become disabled early in life tend to have poorer educational and occupational outcomes than non-disabled individuals. Disability is known to be a complex entity with multiple causations, involving, inter alia, physiological, social, economic, and cultural factors. It is established that social factors can influence educational and occupational attainment for disabled people, and current disability policy in many countries, particularly in the Global North, stress the importance of equality of opportunity. However, there is a scarcity of research that explores the specific degrees to which advanced welfare states contribute to the equalization of life chances for individuals with early-life impairments and chronic health conditions. In this study, we use a Norwegian sample of high-quality register data on individuals with vision loss, hearing loss, physical impairment, type 1 diabetes, asthma, and Down syndrome diagnosed early in life and compare their intergenerational income mobility trajectories with a random sample drawn from the country's entire population. We find that individuals' early-life diagnoses are linked to significantly worse income outcomes in adulthood than what is observed among the general population. We conclude that even in one of the most advanced egalitarian welfare states, such as Norway, much remains to be done to equalize life chances for individuals with early-life impairments and chronic health conditions.
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Personas con Discapacidad , Humanos , Movilidad Social , Renta , Escolaridad , Bienestar SocialRESUMEN
BACKGROUND: With population ageing, cognitive function among the elderly is a growing public health concern in China. This study aimed to investigate the trend of income-related inequality in cognitive function, and to track health-related income mobility among the Chinese elderly. METHODS: Data were drawn from the Chinese Longitudinal Healthy Longevity Survey conducted in 2005, 2008, 2011, 2014, and 2018. Cognitive function was evaluated by the Mini-Mental State Examination. Cross-sectional and longitudinal concentration indices were used to measure the magnitudes of inequalities at different length of time. The mobility index was used to capture the discrepancy between short-term and long-term assessments. The contributions of determinants to mobility were estimated by decomposition analysis. RESULTS: The results showed the cognitive function score among the Chinese elderly as 21.13 at the baseline. Men, activities, daily living ability, education, marriage status, income, receipt of community service, vision and hearing condition were positively associated with cognitive function, whereas age, negative well-being, and drinking were negatively associated with cognitive function. The cross-sectional concentration index was positive and significant only at the baseline. In the long run, however, the concentration indices were all positive and became larger over time. After five waves, the mobility index reached -4.84. The largest negative contributor to the mobility index was daily living ability, followed by relaxing activity, domestic activity, and hearing condition. The two largest positive contributors were negative well-being and income. CONCLUSIONS: As a whole, cognitive function did not perform well among the Chinese elderly. In the long term, the weighted cross-sectional concentration indices underestimated the inequality in cognitive function, and good cognitive performance was concentrated more among the rich. When formulating intervention measures, the Chinese government should give priority to vulnerable groups, especially the elderly who are poor or downwardly mobile in income.
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Envejecimiento , Renta , Masculino , Humanos , Anciano , Estudios Transversales , Longevidad , Cognición , China/epidemiología , Factores SocioeconómicosRESUMEN
We explore the role of non-ergodicity in the relationship between income inequality, the extent of concentration in the income distribution, and income mobility, the feasibility of an individual to change their position in the income rankings. For this purpose, we use the properties of an established model for income growth that includes 'resetting' as a stabilizing force to ensure stationary dynamics. We find that the dynamics of inequality is regime-dependent: it may range from a strictly non-ergodic state where this phenomenon has an increasing trend, up to a stable regime where inequality is steady and the system efficiently mimics ergodicity. Mobility measures, conversely, are always stable over time, but suggest that economies become less mobile in non-ergodic regimes. By fitting the model to empirical data for the income share of the top earners in the USA, we provide evidence that the income dynamics in this country is consistently in a regime in which non-ergodicity characterizes inequality and immobility. Our results can serve as a simple rationale for the observed real-world income dynamics and as such aid in addressing non-ergodicity in various empirical settings across the globe. This article is part of the theme issue 'Kinetic exchange models of societies and economies'.
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Renta , Movimiento (Física)RESUMEN
This work proposes a method to compute the income gradient in period life expectancy that accounts for income mobility. Using income and mortality records of the Danish population over the period 1980-2013, we validate the method and provide estimates of the income gradient. The period life expectancy of individuals at a certain age, and belonging to a certain income class, is normally computed by using the mortality of older cohorts in the same income class. This approach does not take into account that a substantial fraction of the population moves away from their original income class, which leads to an upward bias in the estimation of the income gradient in life expectancy. For 40-y-olds in the bottom 5% of the income distribution, the risk of dying before age 60 is overestimated by 25%. For the top 5% income class, the risk of dying is underestimated by 20%. By incorporating a classic approach from the social mobility literature, we provide a method that predicts income mobility and future mortality simultaneously. With this method, the association between income and life expectancy is lower throughout the income distribution. Without accounting for income mobility, the estimated difference in life expectancy between persons in percentiles 20 and 80 in the income distribution is 4.6 y for males and 4.1 y for females, while it is only half as big when accounting for mobility. The estimated rise in life-expectancy inequality over time is also halved when accounting for income mobility.
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Disparidades en el Estado de Salud , Esperanza de Vida/etnología , Bases de Datos Factuales , Dinamarca , Femenino , Humanos , Renta/estadística & datos numéricos , Masculino , Modelos Teóricos , Mortalidad , Pobreza/estadística & datos numéricos , Clase Social , Factores SocioeconómicosRESUMEN
Using unique linked data, we examine income inequality and mobility across racial and ethnic groups in the United States. Our data encompass the universe of income tax filers in the United States for the period 2000-2014, matched with individual-level race and ethnicity information from multiple censuses and American Community Survey data. We document both income inequality and mobility trends over the period. We find significant stratification in terms of average incomes by racial/ethnic group and distinct differences in within-group income inequality. The groups with the highest incomes-whites and Asians-also have the highest levels of within-group inequality and the lowest levels of within-group mobility. The reverse is true for the lowest-income groups: blacks, American Indians, and Hispanics have lower within-group inequality and immobility. On the other hand, low-income groups are also highly immobile in terms of overall, rather than within-group, mobility. These same groups also have a higher probability of experiencing downward mobility compared with whites and Asians. We also find that within-group income inequality increased for all groups between 2000 and 2014, and the increase was especially large for whites. The picture that emerges from our analysis is of a rigid income structure, with mainly whites and Asians positioned at the top and blacks, American Indians, and Hispanics confined to the bottom.
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Etnicidad/estadística & datos numéricos , Renta/estadística & datos numéricos , Grupos Raciales/estadística & datos numéricos , Movilidad Social/estadística & datos numéricos , Adulto , Negro o Afroamericano/estadística & datos numéricos , Pueblo Asiatico/estadística & datos numéricos , Femenino , Hispánicos o Latinos/estadística & datos numéricos , Humanos , Indígenas Norteamericanos/estadística & datos numéricos , Masculino , Persona de Mediana Edad , Estados Unidos , Población Blanca/estadística & datos numéricosRESUMEN
We examine inequalities in the distribution of income volatility in two ways using data from the Panel Study of Income Dynamics (PSID) in order to improve our understanding of economic insecurity. First, we use a variance function regression to jointly quantify the relationship between changes in average levels of volatility as they relate to changes in the distribution of volatility. The results indicate that inequalities in the distribution of volatility rise much faster than the overall level of volatility. Therefore, what are often perceived to be rising levels of volatility for everyone are better understood as rising levels of volatility for households at the top of the volatility distribution. Second, we use a linear probability model to better understand changes in who experiences high income volatility over time. Rising inequalities in the distribution of volatility turn out to be the result of a rising probability of experiencing high volatility among households that would not typically be classified as economically insecure.
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This article reviews the contributions of the Panel Study of Income Dynamics (PSID) to the study of intergenerational mobility. The PSID enables researchers to track individuals as they form new households and covers many dimensions of socioeconomic status over large portions of the life cycle, making the data ideal for studying intergenerational mobility. Studies have used PSID data to show that the United States is among the least economically mobile countries among advanced economies. The PSID has been instrumental to understanding various dimensions of intergenerational mobility, including occupation; wealth; education; consumption; health; and group differences by gender, race, and region. Studies using the PSID have also cast light on the mechanisms behind intergenerational persistence.
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This paper investigates the impact of health investment on household income distribution, drawing from data spanning over 10 years from the China Nutrition and Health Survey. The study aims to contribute to the literature by examining the nuanced pathways through which health investment influences income distribution. Utilizing a rich dataset, rigorous empirical methods including quantile regression and cross-sectional data modeling are employed to explore the relationship between health investment and income distribution. The analysis reveals a robust positive association between health investment and both absolute and relative income levels across various demographic and occupational groups. Additionally, the study elucidates the pathways through which health investment influences income, including its effects on illness duration, employment opportunities, effective working time, and educational attainment. The findings demonstrate the dynamic nature of the relationship, indicating that as income levels rise, the impact of health investment on income becomes more pronounced. Moreover, the analysis highlights the role of health investment in facilitating upward income mobility, particularly for low-income households. Overall, these findings provide valuable insights for policymakers, suggesting that strategic health investment initiatives can contribute to achieving more equitable income distribution.
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Renta , Humanos , China , Renta/estadística & datos numéricos , Estudios Longitudinales , Persona de Mediana Edad , Adulto , Masculino , Femenino , Estudios Transversales , Composición Familiar , Encuestas EpidemiológicasRESUMEN
The effects of socioeconomic position (SEP) across life course accumulate and produce visible health inequalities between different socioeconomic groups. Yet, it is not well-understood how the experience of intergenerational income mobility between origin and destination SEP, per se, affects health outcomes. We use data from the National Longitudinal Study of Adolescent to Adult Health collected in the United States with the outcome measure of cardiometabolic risk (CMR) constructed from data on LDL Cholesterol, Glucose MG/DL, C-reactive protein, systolic and diastolic blood pressure, and resting heart rate. Intergenerational income mobility is estimated as the difference between Waves 1 and 5 income quintiles. Diagonal reference models are used to test if intergenerational income mobility, net of origin and destination income quintile effects, is associated with CMR. We find that individuals in the lowest and the highest income quintiles have, respectively, the highest and the lowest CMR; both origin and destination income quintiles are equally important; there are no significant overall income mobility effects for different gender and race/ethnicity groups, but downward income mobility has negative health implications for individuals with poor initial health. We conclude that downward income mobility can increase inequalities in CMR in the United States by worsening the health of those who had poor health before their mobility experiences.
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OBJECTIVES: Previous research in the United States suggests contextual income mobility may play a role in explaining the disparities between life expectancy in the United States and peer countries. This article aims to extend previous research by estimating the consequences of average individual exposure to mobility regimes during childhood and adolescence on adult health. METHODS: This study draws its data from two longitudinal datasets that track the county of residence of respondents during childhood and adolescence, the Panel Study of Income Dynamics and the National Longitudinal Survey of Youth 1997. We implement marginal structural models to assess the association of the average exposure to county income mobility on five health outcomes and behaviors. RESULTS: The results are only partially consistent with a systematic association between exposure to income mobility and health outcomes. Evidence obtained from the National Longitudinal Survey of Youth suggests less income mobility might increase the probability of smoking by age 30. DISCUSSION: The paper provides a precise assessment of the hypothesis that childhood exposure to income mobility regimes may influence health status through behavior later in life and contribute to longevity gaps. Only partial evidence on smoking suggests an association between income mobility and health, so we discuss potential reasons for the disparities in results with previous research.
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Renta , Esperanza de Vida , Adulto , Humanos , Renta/estadística & datos numéricos , Estudios Longitudinales , Estados Unidos/epidemiologíaRESUMEN
The COVID-19 crisis has caused a huge negative shock to economic activities worldwide, leading to a reduction in income and changes in income distribution. Intergenerational mobility is an important indicator of sustainable social development. This paper explores the short-term impacts of the sudden COVID-19 pandemic on intergenerational income mobility and personal income in China. Using the variation in the number of confirmed cases across provinces, we construct a province-level pandemic intensity index and combine it with individual data from the China Family Panel Studies (CFPS). We apply a general difference-in-difference strategy to identify the causal effect of the pandemic on intergenerational income mobility. We find that personal income is positively related to parental income, and that the COVID-19 crisis has caused a decline in individual income and exacerbated intergenerational income persistence. A more intense COVID-19 pandemic shock is associated with a larger increase in intergenerational income elasticity and intergenerational income rank-rank slope. We found that with one standard deviation increase in local pandemic intensity, the intergenerational income elasticity increases by 0.315 and the intergenerational income rank-rank slope increases by 0.198 on average. The mechanism testing suggests that heterogeneous effects among different groups are the force underlying the results. Low-income, low-skilled, and low-parental-income individuals have suffered a more severe impact from the pandemic shock.
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COVID-19 , Choque , COVID-19/epidemiología , China/epidemiología , Humanos , Renta , Relaciones Intergeneracionales , Pandemias , Movilidad SocialRESUMEN
Why do estimates of the intergenerational persistence in earnings vary so much for the United States? Recent research suggests that life-cycle bias may be a major factor (Haider and Solon 2006; Grawe 2006). In this paper we estimate the intergenerational correlation in lifetime earnings by using sons' and fathers' earnings at similar ages in order to account for lifecycle bias. Our estimate based on earnings measured at 35-44 for both fathers and sons is similar to that for the age range 45-54.
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Because of economic reform, dietary pattern in China changed rapidly during the past two decades. Meanwhile, the changes of income and nutrients intake had the same trend. This study aims to measure the income-related inequality in daily nutrients intake and its health-related income mobility over time. Data was sourced from four waves of China Health and Nutrition Survey. Concentration indexes and health-related income mobility indexes were employed to measure the income-related inequality of nutrients intake and its change over time. This study found that the daily protein intake, daily fat intake, daily energy intake, and proportion of energy from fat over 30% were more concentrated on the rich, whereas daily carbohydrates intake among the poor. The income-related inequalities were more severe than the cross-sectional perspective in the long run. The dynamic change of urbanisation indexes has resulted that over 30% of energy from fat was more concentrated among the rich and carbohydrates intake among the poor. The nutrition transition may bring about more severe disease economic burden to the poor in the future. This study recommends an approach to minimize gaps between rural and city areas by promoting rural revitalization to reduce the income-related inequality in daily nutrient intake.
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Renta , Nutrientes , Factores Socioeconómicos , Anciano , China , Estudios Transversales , Femenino , Humanos , Estudios Longitudinales , Masculino , Persona de Mediana Edad , Estado NutricionalRESUMEN
Studies across Europe and the US report that childhood socioeconomic disadvantage is associated with poorer health in adulthood. By contrast, a study in Japan suggests that childhood socioeconomic disadvantage may be positive for adult health. In this paper, we assess the association between intergenerational income mobility and self-rated health in Japan, using detailed childhood income data for 1610 men and 1885 women aged 30-49 years. We use an instrumental variable approach to identify the causal effect of upward income mobility on adult health. We find that low father's income during childhood is associated with smoking and alcohol consumption in adult life for both men and women. For men, upward income mobility was associated with worse health. Certain behavioural choices related to income mobility, such as long working hours, may have detrimental health effects.
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Autoevaluación Diagnóstica , Renta/estadística & datos numéricos , Relaciones Intergeneracionales , Acontecimientos que Cambian la Vida , Movilidad Social , Adulto , Consumo de Bebidas Alcohólicas/tendencias , Niño , Padre/estadística & datos numéricos , Femenino , Humanos , Japón , Masculino , Persona de Mediana Edad , Pobreza , Fumar/tendenciasRESUMEN
American politicians often justify income inequality by referencing the opportunities people have to move between economic stations. Though past research has shown associations between income mobility and resistance to wealth redistribution policies, no experimental work has tested whether perceptions of mobility influence tolerance for inequality. In this article, we present a cross-national comparison showing that income mobility is associated with tolerance for inequality and experimental work demonstrating that perceptions of higher mobility directly affect attitudes toward inequality. We find support for both the prospect of upward mobility and the view that peoples' economic station is the product of their own efforts, as mediating mechanisms.
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Renta , Satisfacción Personal , Movilidad Social/economía , Percepción Social , Humanos , Estados UnidosRESUMEN
Socioeconomic inequalities in health are an important research area in health economics and public health. The concentration index has become a well-established measure of income-related health inequalities, and a number of approaches to identify potential causes of health inequalities exist. With the increasing availability of suitable longitudinal data, more sophisticated approaches to monitor inequalities and to identify potential causal relationships between socioeconomic status and health evolved. We first review the concentration index and some more basic approaches to explain health inequalities. We then discuss advantages and potential shortcomings of "static" and "dynamic" health inequality measures. We review different concepts of health and socioeconomic mobility, as well as recent studies on the life course perspective and economic changes. Our aim is to provide an overview of the concepts and empirical methodologies in the current literature, and to guide interested researchers in their choice of an appropriate inequality measure.
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Disparidades en el Estado de Salud , Renta , Salud Pública/economía , Humanos , Estudios Longitudinales , Clase Social , Factores SocioeconómicosRESUMEN
In recent decades, China has experienced double-digit economic growth rates and rising inequality. This paper implements a new decomposition approach using the China Health and Nutrition Survey (1991-2006) to examine the extent to which changes in level and distribution of incomes and in income mobility are related to health disparities between rich and poor. We find that health disparities in China relate to rising income inequality and in particular to the adverse health and income experience of older (wo)men, but not to the growth rate of average incomes over the last decades. These findings suggest that replacement incomes and pensions at older ages may be one of the most important policy levers for reducing health disparities between rich and poor Chinese.