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Can One Laptop per Child Reduce Digital Inequalities? ICT Diffusion Patterns under Plan Ceibal 每个孩子一台笔记本电脑能减少数字不平等吗?国际计划下的信息通信技术扩散模式
Carlos Díaz, Matías Dodel, Pablo Menese
The study of information and communications technology (ICT) adoption signals that diffusion processes within highly unequal societies produces a stratification in the access to digital technologies and thus, maintains or even increases previous socio-economic disparities. Whereas technological utopians believed that One Laptop Per Child (OLPC)-like programs could reduce societal inequalities, the economic literature studying their consequences mostly focused on student's human capital. Results found no impacts, even for successful programs such as Uruguay's own OLPC-inspired Plan Ceibal. We use an event-study approach to difference-in-differences to identify the impact of Plan Ceibal on the household demand for technological goods across income quintiles. Our results show that Plan Ceibal helped to bridge domestic digital disparities in terms of access to PC for low-income households and favored the demand for internet services. We argue that two diverse mechanisms are behind these results. Regarding PC access, whereas Plan Ceibal was conceived as a universal program targeting primary level students attending public schools, both poverty infantilization and dual-system educational stratification made the policy to exhibit heterogenous impact across different income groups. Regarding household connectivity, we argue that Plan Ceibal reduced the cost of the bundle required to consume internet services at the time of the study, impacting on those households with both reasonable shares of children attending a public school and sufficient income to afford the monthly internet charges.
对信息和通信技术(ICT)采用的研究表明,在高度不平等的社会中,传播过程在获取数字技术方面产生了分层,从而维持甚至增加了以前的社会经济差距。尽管技术乌托邦主义者认为,类似“每个孩子一台笔记本电脑”(OLPC)的项目可以减少社会不平等,但研究其后果的经济学文献主要关注学生的人力资本。结果没有发现任何影响,即使对乌拉圭自己的olpc启发的Ceibal计划这样成功的项目也是如此。我们使用事件研究方法来分析差异中的差异,以确定全球计划对不同收入阶层家庭对科技产品需求的影响。我们的研究结果表明,Plan Ceibal有助于弥合国内低收入家庭在个人电脑接入方面的数字差距,并促进了对互联网服务的需求。我们认为这些结果背后有两种不同的机制。在个人电脑接入方面,虽然“塞巴尔计划”被认为是一个针对公立学校小学生的普遍计划,但贫困幼儿化和双系统教育分层使得该政策在不同收入群体中表现出不同的影响。关于家庭连接,我们认为,在研究期间,Plan Ceibal降低了消费互联网服务所需的捆绑成本,影响了那些在公立学校上学的孩子比例合理且收入足以支付每月互联网费用的家庭。
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引用次数: 0
Broadband, Self-Employment, and Work-from-Home — Evidence from the American Community Survey 宽带、自雇和在家工作——来自美国社区调查的证据
Luyi Han
In this study, using the American Community Survey (ACS) and the Federal Communications Commission (FCC) data, I examine how broadband affects self-employment and work-from-home for married women. Based on different sources of broadband data, I investigate the impacts of broadband from both adoption and access to broadband. I find that both adoption and access to broadband positively impact self-employment and work-from-home, and the adoption to broadband has stronger effects. It suggests that as the broadband infrastructure has been widely available for recent years, how to increase the local adoption to high-speed broadband becomes a more critical question. Adoption to broadband is related to household income levels and whether there is a need for that. Therefore, for the policy implications, the stipend from the government to lower the cost of high-speed broadband adoption may be a good place-based policy, especially for low-income and less developed areas. This study contributes to the existing literature that examines how Information and Communications Technology (ICT) affects the labor market.
在这项研究中,我使用美国社区调查(ACS)和联邦通信委员会(FCC)的数据,研究宽带如何影响已婚妇女的自雇和在家工作。基于宽带数据的不同来源,我从宽带的采用和接入两方面调查了宽带的影响。我发现宽带的采用和接入对个体经营和在家工作都有积极的影响,并且宽带的采用具有更强的影响。这表明,随着近年来宽带基础设施的广泛普及,如何提高高速宽带的本地采用成为一个更为关键的问题。宽带的采用与家庭收入水平以及是否需要宽带有关。因此,从政策意义上来说,政府为降低高速宽带采用成本而提供的补贴可能是一个很好的基于地方的政策,特别是对于低收入和欠发达地区。本研究对现有研究信息和通信技术(ICT)如何影响劳动力市场的文献有所贡献。
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引用次数: 2
Gendered Barriers to Formal Healthcare Utilization: Modelling Healthcare Demand in a Low-Resource Setting 正式医疗保健利用的性别障碍:低资源环境下的医疗保健需求建模
E. Cavatorta, W. Janssens, A. Mesnard
This paper develops a model of healthcare demand to study healthcare choices in resource-limited settings with poor health indicators, especially for women. Using data from rural Nigeria on individual illnesses and injuries as well as the entire portfolio of locally available providers, we estimate the effect of price, distance and quality on access to care, focusing on the heterogeneous responses to these three factors by gender. We find that women are more price sensitive than men, in particular in households where they have low bargaining power, while being equally responsive to quality or distance. Using our model to simulate ex-ante the impacts of price interventions, we predict that a full price subsidy in public clinics would substantially increase both men's and women's access to formal care, and almost eliminate the observed gender gap in formal healthcare utilization. Subsidizing both public and private clinics only marginally improves overall access, but it fully eliminates the observed gender gap in addition to broadening the capacity of the health sector to respond to increased demand when public facilities have limited capacity.
本文开发了一个医疗保健需求模型,以研究在资源有限的情况下健康指标较差的医疗保健选择,特别是对妇女。我们利用尼日利亚农村地区的个人疾病和伤害数据以及当地现有医疗服务提供者的全部组合,估计了价格、距离和质量对获得医疗服务的影响,重点关注了性别对这三个因素的异质反应。我们发现女性比男性对价格更敏感,尤其是在她们议价能力较低的家庭中,同时对质量或距离也同样敏感。使用我们的模型来模拟价格干预的事前影响,我们预测,在公立诊所的全价补贴将大大增加男性和女性获得正规医疗服务的机会,并几乎消除在正规医疗保健利用方面观察到的性别差距。补贴公立和私立诊所只能略微改善总体就诊情况,但除了在公共设施能力有限的情况下扩大卫生部门应对需求增加的能力之外,它还完全消除了观察到的性别差距。
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引用次数: 0
Leakage from Retirement Savings Accounts in the U.S. 美国退休储蓄账户的泄漏
Lucas W. Goodman, Kathleen Mackie, Jacob A. Mortenson, Heidi R. Schramm
This paper generates new, aggregate estimates of retirement savings flows in the U.S. from 2003 to 2015, and provides detailed estimates of leakage from tax-preferred retirement savings accounts to pre-retirement age individuals. We create a nationally-representative panel of individuals using a sample of administrative tax data with over 140 million person-year observations. These data contain information on retirement contributions, distributions, and transfers between accounts. We estimate that between 2003 and 2015 distributions from defined contribution plans and IRAs to individuals age 50 or younger were equal to 22 percent of the contributions made by this age group. When estimating the correlation between common life events and the probability of leakage, we find that job separations correspond with an increase in the probability of leakage of over 200 percent. Job separations generating the receipt of unemployment insurance (UI) -- a proxy for an involuntary job separation -- are associated with higher leakage than non-UI separations. Other types of events, such as income shocks, home purchases, and the onset of tuition payments are also associated with leakage.
本文对2003年至2015年美国退休储蓄流动进行了新的汇总估计,并提供了从税收优惠退休储蓄账户流向退休前年龄个人的详细估计。我们使用超过1.4亿人年度观察的行政税收数据样本创建了一个具有全国代表性的个人小组。这些数据包含有关退休供款、分配和账户间转账的信息。我们估计,在2003年至2015年期间,从固定缴款计划和个人退休账户分配给50岁或更年轻的个人的金额相当于该年龄组缴费金额的22%。当估计日常生活事件与泄漏概率之间的相关性时,我们发现工作分离对应于泄漏概率的增加超过200%。产生失业保险(UI)的离职——非自愿离职的代理——与非UI离职相比,与更高的泄漏相关。其他类型的事件,如收入冲击、购房和学费支付的开始也与泄漏有关。
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引用次数: 4
Household Head’s Educational Level and Household Education Expenditure in China: The Mediating Effect of Social Class Identification 中国户主教育水平与家庭教育支出:社会阶层认同的中介作用
Guoyao Yan, Y. Hao, M. Irfan, Haitao Wu
Fairness in education is an issue of great concern for China's development. And household education expenditure is a key factor and objective material embodiment of the educational resources and educational opportunities for their children. Using the data of the China Labor-force Dynamics Survey (CLDS2016), this study analyzes the mechanisms of action in household education expenditure affected by both the educational level and the social class identification of household heads. The empirical results indicate that Chinese household head's social class identification is affected positively by their educational level. After controlling for the potential endogeneity, the education expenditure tends to increase as the subjective social class identification of the household heads is promoted. Class identification plays a partial mediating role in the process of the household head’s educational level affecting the household education expenditure. The findings provide important insights for understanding the intergenerational transmission mechanism of cultural capital in China.
教育公平是关系到中国发展的重大问题。家庭教育支出是子女教育资源和教育机会的关键因素和客观物质体现。本文利用中国劳动力动态调查(CLDS2016)的数据,分析了户主受教育程度和社会阶层认同对家庭教育支出的影响机制。实证结果表明,中国户主的社会阶层认同受其教育水平的正向影响。在控制潜在内生性后,随着户主主观社会阶层认同的提升,教育支出有增加的趋势。阶层认同在户主受教育程度影响家庭教育支出的过程中起部分中介作用。研究结果对理解中国文化资本的代际传递机制具有重要意义。
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引用次数: 6
Drive Less, Drive Better, or Both? Behavioral Adjustments to Fuel Price Changes in Germany 少开车,开得更好,还是两者兼而有之?德国燃料价格变化的行为调整
A. Alberini, Marco Horvath, Colin Vance
The demand for motor fuel should decline when its price rises, but how exactly does that happen? Do people drive less, do they drive more carefully to conserve fuel, or do they do both? To answer these questions, we use data from the German Mobility Panel from 2004 to 2019, taking advantage of the fluctuations in motor fuel prices over time and across locales to see how they affect Vehicle Kilometers Traveled (VKT) and on-road fuel economy (expressed in kilometers per liter). Our reduced-form regressions show that while the VKTs driven by gasoline cars decrease when the price of gasoline rises, their fuel economy tends to get worse. It is unclear why this happens. Perhaps attempts to save on gasoline—cutting on solo driving, forgoing long trips on the highway, driving more in the city—end up compromising the fuel economy. By contrast, both the VKTs and the fuel economy of diesel cars appear to be insensitive to changes in the price of diesel. Latent class models confirm our main findings, including the fact that while fuel prices, car attributes, and household and location characteristics explain much of the variation in the VKTs, it remains difficult to capture the determinants of on-road fuel economy. Since the price elasticity of fuel consumption is the difference between the price elasticity of VKT and the price elasticity of the fuel economy, our results suggest that the fuel economy might be the “weakest link” of price-based policies that seek to address environmental externalities, such as a carbon tax.
汽油价格上涨时,对汽车燃料的需求应该会下降,但这究竟是如何发生的呢?人们是少开车,还是更小心开车以节省燃料,还是两者兼而有之?为了回答这些问题,我们使用了德国移动小组2004年至2019年的数据,利用汽车燃料价格随时间和地区的波动,了解它们如何影响车辆行驶公里数(VKT)和道路燃油经济性(以每升公里数表示)。我们的简化回归表明,当汽油价格上涨时,由汽油车驱动的vkt会减少,但它们的燃油经济性往往会变得更差。目前还不清楚为什么会发生这种情况。也许,为了节省独自驾驶时的汽油消耗,放弃在高速公路上的长途旅行,在城市里更多地开车,最终会损害燃油经济性。相比之下,vkt和柴油汽车的燃油经济性似乎对柴油价格的变化不敏感。潜在类别模型证实了我们的主要发现,包括这样一个事实,即尽管燃料价格、汽车属性、家庭和位置特征解释了vkt的大部分变化,但仍然很难捕捉到道路燃油经济性的决定因素。由于燃料消耗的价格弹性是VKT的价格弹性和燃油经济性的价格弹性之间的差异,我们的研究结果表明,燃油经济性可能是寻求解决环境外部性(如碳税)的基于价格的政策的“最薄弱环节”。
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引用次数: 10
A United Family Prospers: Intrahousehold Economic Discord, Household Income and Child Growth in Burkina Faso 《团结的家庭繁荣:布基纳法索家庭内部经济不和谐、家庭收入和儿童成长》
Wenbo Zou, Travis J. Lybbert, S. Vosti
We conduct a lab-in-the-field experiment in rural Burkina Faso eliciting subjective exchange rates of the spouses payoff to ones own payoff for those in monogamous and polygamous relationships. Values of these exchange rates suggest significant heterogeneity among households in the consumption stage: some households are consistent with a unitary or collective model while others are better explained by a noncooperative model. Such a heterogeneity is also supported by the correlation between the exchange rates and survey question answers regarding household accounts, individual controls, secret money and consumption preferences. Deviations from parity in these exchange rates, which we define as an indicator of economic discord, are associated with slower early childhood growth. This discord measure is also associated with lower total household income, suggesting a non-separable production-consumption model with a noncooperative production stage, in which intrahousehold consumption inefficiency, if any, transmits into intrahousehold productive inefficiency.
我们在布基纳法索的农村进行了一项实地实验室实验,得出了一夫一妻制和一夫多妻制关系中配偶收益与自己收益的主观汇率。这些汇率的价值表明,在消费阶段,家庭之间存在显著的异质性:一些家庭符合单一或集体模型,而另一些家庭则可以用非合作模型更好地解释。汇率与有关家庭账户、个人控制、秘密资金和消费偏好的调查问题答案之间的相关性也支持了这种异质性。这些汇率偏离平价(我们将其定义为经济不和谐的一个指标)与儿童早期发育较慢有关。这种不和谐度量也与较低的家庭总收入有关,这表明一个具有非合作生产阶段的不可分离的生产-消费模型,在这个阶段,家庭内部消费效率低下(如果有的话)会转移到家庭内部生产效率低下。
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引用次数: 2
The Impact of Smoking Bans in Bars and Restaurants on Alcohol Consumption, Smoking, and Alcohol-Related Externalities 酒吧和餐馆禁烟对酒精消费、吸烟和酒精相关外部性的影响
Anne Burton
Smoking bans in bars and restaurants are one example of the many ways in which governments intervene to correct market failures such as externalities. These bans also represent a change in a non-price determinant of demand for alcohol consumed at bars, which could affect total alcohol consumption. This paper studies the effects of smoking bans on the amount and location of alcohol consumption, smoking, and alcohol-related externalities. I use a difference-in-differences method that exploits variation in the effective dates of smoking bans in bars and restaurants across cities, counties, and states. For individuals who drink, smoking bans result in an average increase in alcohol consumption of 1 drink per month. Occasional smokers drink an additional 2 drinks per month and former smokers drink 1 additional drink per month. These increases are most likely driven by changes in bar and restaurant alcohol consumption. Smoking bans have essentially no effect on extensive-margin smoking or violent crimes. They do, however, lead to a 4% increase in fatal drunk-driving crashes in areas with a high prevalence of smoking. Taken together, these results imply that smoking bans lead to unintended consequences in the form of increased alcohol consumption and drunk driving.
酒吧和餐馆的禁烟令是政府干预纠正外部性等市场失灵的众多方式之一。这些禁令还表明,酒吧酒精消费需求的非价格决定因素发生了变化,这可能影响到酒精消费总量。本文研究了禁烟令对饮酒量和地点、吸烟和酒精相关外部性的影响。我使用了一种差异中的差异方法,利用不同城市、县和州的酒吧和餐馆禁烟令生效日期的差异。对于饮酒者来说,禁烟令导致每月平均增加1杯酒的消费量。偶尔吸烟的人每月多喝2杯,以前吸烟的人每月多喝1杯。这些增长很可能是由酒吧和餐馆酒精消费的变化所驱动的。禁烟令对大规模吸烟和暴力犯罪基本上没有效果。然而,在吸烟率高的地区,它们确实导致致命的酒后驾车事故增加了4%。综上所述,这些结果表明禁烟令会导致意想不到的后果,比如增加酒精消费和酒后驾驶。
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引用次数: 2
The Unemployment-Labor Force Participation Linkage in Iran's Women Labor Market 伊朗妇女劳动力市场的失业-劳动力参与联系
Iman Cheratian, Saleh Goltabar, Carla Daniela Calá
PurposeDuring recent years, the long-run relationship between the unemployment rate (UR) and the labor force participation (LFP) rate has been examined in-depth in developed and developing economies. This paper aims to explore this relationship for Iranian women in 31 provinces from 2005Q2 to 2019Q1.Design/methodology/approachTo examine the existence of a long-run relationship between female LFP and UR, the time-series cointegration approach has been used. Furthermore, regarding the low power of the univariate cointegration approach, the authors consider a panel version of the cointegration tests developed by Westerlund.FindingsBoth time-series cointegration tests and panel cointegration test support the unemployment invariance hypothesis for most Iranian provinces, especially the most religious ones. As it implies an invariance to supply side policies, it seems that reducing legal and cultural barriers could be more relevant to decrease female UR and increase LFP than training programs or R&D policies. The present results also suggest that, for this group of regions, a more centralized policy design could be appropriate, instead of a regional one.Originality/valueThis study investigates whether the unemployment invariance hypothesis holds for Iran, which has not been analyzed before for the Iranian labor market. Moreover, the study adopts a regional approach, which takes into account the huge regional differences in Iran.
近年来,发达国家和发展中国家的失业率(UR)和劳动力参与率(LFP)之间的长期关系得到了深入的研究。本文旨在探讨2005年第二季度至2019年第一季度31个省份的伊朗妇女的这种关系。设计/方法/方法为了检验女性LFP和UR之间是否存在长期关系,我们使用了时间序列协整方法。此外,关于单变量协整方法的低功率,作者考虑了Westerlund开发的协整检验的面板版本。结果:时间序列协整检验和面板协整检验均支持伊朗大多数省份的失业不变性假设,特别是宗教信仰最强烈的省份。由于这意味着供给侧政策的不变性,减少法律和文化障碍似乎比培训计划或研发政策更能降低女性UR和提高LFP。目前的结果还表明,对于这组区域来说,更集中的政策设计可能是合适的,而不是区域性的。原创性/价值本研究探讨了失业不变性假说是否适用于伊朗,这一假说在伊朗劳动力市场中尚未被分析过。此外,该研究采用了区域方法,考虑到伊朗巨大的区域差异。
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引用次数: 5
Time to Grow Up? Adult Children as Determinants of Parental Labor Supply 该长大了?成年子女是父母劳动供给的决定因素
Breno Braga, Olga Malkova
As children transition to adulthood, do they continue being a major determinant of parental labor supply? To answer this question, we examine the effects of college costs on the labor supply of mothers and fathers by exploiting the roll-out of nine generous state merit aid programs from 1993 to 2004, which made college more affordable. Mothers of college-age children decrease their annual hours of work after the introduction of these state-wide programs, while fathers do not adjust their labor supply. Mothers of college-going children are entirely responsible for the decline in hours of work, where mothers of children who do not go to college experienced no change in hours of work. The decline in labor supply is mainly due to adjustments among married, more educated, and white mothers.
随着孩子逐渐长大成人,他们是否会继续成为父母劳动力供给的主要决定因素?为了回答这个问题,我们考察了大学成本对父母劳动力供给的影响,方法是利用1993年至2004年期间推出的9项慷慨的国家奖学金计划,这些计划使上大学变得更容易负担。大学适龄子女的母亲在推行这些全国性计划后减少了每年的工作时间,而父亲则没有调整他们的劳动力供应。孩子上大学的母亲对工作时间的减少负有全部责任,而孩子没有上大学的母亲的工作时间没有变化。劳动力供给的下降主要是由于已婚、受教育程度较高和白人母亲之间的调整。
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引用次数: 1
期刊
Econometric Modeling: Microeconometric Models of Household Behavior eJournal
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