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Wider Impacts of Microcredit: Evidence from Labor and Human Capital in Urban Mexico 小额信贷的广泛影响:来自墨西哥城市劳动力和人力资本的证据
Pub Date : 2008-09-28 DOI: 10.2139/ssrn.1274859
M. Niño-Zarazúa, P. Mosley
This paper presents an estimation of the impacts of microcredit on labor and human capital following a quasi-experiment specifically designed to control for endogeneity and selection bias in the context of urban Mexico. We find important indirect trickle-down effects of credit through labor expenditure that benefit poor laborers; however, these effects were only observed when loan-supported enterprising households reached a level of income well above the poverty line. We also find significant, although small impacts of credit on children´s schooling that could be potentially reinforced by improvements in lending technology, school grants and additional ex-ante preventive and ex-post protective riskcoping products.
本文通过一项准实验,对小额信贷对劳动力和人力资本的影响进行了估计,该实验专门设计用于控制墨西哥城市背景下的内质性和选择偏差。我们发现,信贷通过劳动支出产生了重要的间接涓滴效应,使贫困劳动者受益;然而,只有当贷款支持的创业家庭达到远高于贫困线的收入水平时,才会观察到这些影响。我们还发现,信贷对儿童上学的影响虽小,但也很重要,这种影响可能会通过改善贷款技术、学校赠款和额外的事前预防性和事后保护性风险应对产品而得到加强。
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引用次数: 2
Government Funds and Demographic Transition - Alleviating Ageing Costs in a Small Open Economy 政府基金与人口转型-在小型开放经济中纾缓老化成本
Pub Date : 2008-09-24 DOI: 10.2139/ssrn.1299566
H. Kinnunen
This paper investigates public pension funding using a dynamic general equilibrium macroeconomic model (DSGE) that facilitates investigation of distortionary effects of fiscal and pension policy responses to ageing. The model is calibrated to the Finnish economy, which will encounter substantial ageing pressures in the near future. During the transition to an older population structure ageing costs can be substantially lowered by allowing public funds to smooth out the tax responses. Cutting down on pension prefunding at a time when the pace of ageing is at its peak reduces the necessary tax hikes and stimulates labour supply growth at the moment when the labour market is tightest. With smaller funding needs, ageing leads to a slower growth in labour costs, a better employment conditions and faster production growth.
本文使用动态一般均衡宏观经济模型(DSGE)调查公共养老基金,该模型有助于调查财政和养老金政策对老龄化反应的扭曲效应。该模型是根据芬兰经济进行调整的,在不久的将来,芬兰经济将面临巨大的老龄化压力。在向老龄化人口结构过渡的过程中,允许公共资金平滑税收反应,可以大大降低老龄化成本。在老龄化速度达到顶峰的时候削减养老金预融资,减少了必要的增税,并在劳动力市场最紧张的时候刺激了劳动力供应的增长。由于资金需求减少,老龄化导致劳动力成本增长放缓,就业条件改善,生产增长加快。
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引用次数: 17
The Transition from School to Jail: Youth Crime and High School Completion among Black Males 从学校到监狱的转变:黑人男性的青少年犯罪和高中学业完成
Pub Date : 2008-09-17 DOI: 10.2139/ssrn.1270633
Antonio Merlo, K. Wolpin
In this paper, we study the relationship among schooling, youth employment and youth crime. The framework, a multinomial discrete choice vector autoregression, provides a comprehensive analysis of the dynamic interactions among a youth’s schooling, work and crime decisions and arrest and incarceration outcomes. We allow for observable initial conditions, unobserved heterogeneity, measurement error and missing data. We use data from the NLSY97 on black male youths starting from age 14. The estimates indicate important roles both for heterogeneity in initial conditions and for stochastic events that arise during one’s youth in determining outcomes as young adults.
本文主要研究学校教育、青年就业与青少年犯罪之间的关系。该框架是一个多项离散选择向量自回归,提供了一个年轻人的上学、工作和犯罪决策以及逮捕和监禁结果之间动态相互作用的全面分析。我们考虑到可观测的初始条件、不可观测的异质性、测量误差和缺失数据。我们使用了NLSY97中14岁开始的黑人男性青年的数据。这些估计表明,初始条件的异质性和青年时期出现的随机事件在决定青年成年后的结果方面都起着重要作用。
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引用次数: 51
An Afriat Theorem for the Collective Model of Household Consumption 家庭消费集体模型的一个Afriat定理
Pub Date : 2008-09-03 DOI: 10.2139/ssrn.1264971
L. Cherchye, B. Rock, Frederic Vermeulen
We provide a nonparametric 'revealed preference' characterization of rational household behavior in terms of the collective consumption model, while accounting for general individual preferences that can be non-convex. Our main result is the Collective Afriat Theorem, which parallels the well-known Afriat Theorem for the unitary model. First, it provides a characterization of collectively rational consumption behavior in terms of collective Afriat inequalities. Next, it implies the Collective Axiom of Revealed Preference (CARP) as a testable necessary and sufficient condition for data consistency with collective rationality. Finally, the theorem has some interesting testability implications. With only a finite set of observations, the nature of consumption externalities (positive or negative) in the intra-household allocation process is non-testable. The same non-testability conclusion holds for privateness (with or without externalities) or publicness of consumption. By contrast, concavity of individual utility functions (representing convex preferences) turns out to be testable. In addition, monotonicity is testable for the model that assumes all household consumption is public. © 2009 Elsevier Inc.
我们根据集体消费模型提供了理性家庭行为的非参数“揭示偏好”特征,同时考虑了一般的非凸个人偏好。我们的主要结果是集体Afriat定理,它与著名的统一模型的Afriat定理相似。首先,它从非洲集体不平等的角度提供了集体理性消费行为的特征。其次,提出了揭示偏好的集体公理(Collective Axiom of Revealed Preference, CARP)作为数据符合集体理性的可检验的充分必要条件。最后,这个定理有一些有趣的可测试性暗示。只有一组有限的观察,消费外部性(积极或消极)在家庭内部分配过程的性质是不可检验的。同样的不可测试性结论也适用于隐私(有或没有外部性)或消费的公共性。相比之下,单个效用函数的凹凸性(表示凸偏好)证明是可测试的。此外,对于假设所有家庭消费都是公共的模型,单调性是可测试的。©2009 Elsevier Inc.
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引用次数: 38
How Do Parents Allocate Time? 父母如何分配时间?
Pub Date : 2008-09-02 DOI: 10.2139/ssrn.1262231
Hans G. Bloemen, E. Stancanelli
This paper focuses on the time allocation of spouses and the impact of economic variables. We present a stylized model of the time allocation of spouses to illustrate the expected impact of wages and non-labour income. The empirical model simultaneously specifies three time-use choices -paid work, childcare, and housework- and wage and employment equations for each spouse, allowing for correlation across the errors of the ten equations. We exploit the rich information in the French time-use survey 1998-99 to estimate the model. The predictions of the theoretical model are mostly validated with the main exception of the standard hypothesis that performing housework does not bring utility. Parents' market time responds positively to changes in own wage. The own-wage elasticity of housework is negative while childcare does not react to changes in own wage. Women's non-market time is independent of their husband's wage; but both housework and childcare of fathers react positively to an increase in their wife's wage. Non-labour income reduces paid work by parents and increases their non-market time. Higher-educated and older parents spend more time with their children. There are significant and positive correlations across the errors of the spousal equations.
本文主要研究配偶的时间分配和经济变量的影响。我们提出了配偶时间分配的程式化模型,以说明工资和非劳动收入的预期影响。经验模型同时指定了三种时间使用选择——有偿工作、照顾孩子和家务——以及每个配偶的工资和就业方程,允许10个方程误差之间的相关性。我们利用法国1998-99年时间使用调查中的丰富信息来估计模型。理论模型的预测大多得到了验证,主要例外是标准假设,即做家务不会带来效用。父母的市场时间对自己工资的变化有积极的反应。家务劳动的自身工资弹性为负,而育儿对自身工资的变化没有反应。女性的非市场时间与丈夫的工资无关;但父亲做家务和照顾孩子对妻子工资的增加都有积极的影响。非劳动收入减少了父母的有偿工作,增加了他们的非市场时间。受过高等教育和年龄较大的父母花更多的时间和孩子在一起。在配偶方程的误差之间存在显著的正相关。
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引用次数: 8
On Measuring Compassion in Social Preferences Do Gender, Price of Giving, or Inequality Matter? 衡量社会偏好中的同情心:性别、付出的代价还是不平等重要吗?
Pub Date : 2008-09-01 DOI: 10.2139/ssrn.1357784
L. Kamas, A. Preston
This paper incorporates compassion into social preferences and tracks individuals' choices over ten allocation decisions, categorizing participants' behavior more precisely than previous work. We provide important evidence relevant to the on-going debate as to whether social preferences are better characterized as inequity aversion or social surplus maximization. We find social preferences to be heterogeneous: approximately two-thirds of participants exhibit consistent preferences in all ten exercises and other-regarding individuals are almost evenly split between inequity aversion and social surplus maximization. Women are significantly more likely than men to be inequity averters and less likely to be social surplus maximizers. A large majority of participants choose one or more allocations consistent with compassion but which reduce own payoff, increase inequality, or reduce social surplus. Individuals respond to lower prices of giving by being less self-interested and to larger payoff gaps by being more compassionate. Men are more responsive than women to the price of giving because they are more often social surplus maximizers who react more to costs while women are more often inequity averters who are less sensitive to the price of giving.
本文将同情心纳入社会偏好,并跟踪个人在十种分配决策中的选择,比以前的工作更精确地对参与者的行为进行分类。我们为正在进行的辩论提供了重要的证据,即社会偏好是否更好地表征为不平等厌恶或社会盈余最大化。我们发现社会偏好是异质的:大约三分之二的参与者在所有十个练习中都表现出一致的偏好,而与其他相关的个人在不平等厌恶和社会盈余最大化之间几乎平分。女性明显比男性更倾向于避免不平等,而不太可能成为社会盈余最大化者。大多数参与者选择一种或多种与同情一致的分配,但这会减少自己的收益,增加不平等,或减少社会盈余。个人对较低的捐赠价格的反应是不那么自利,对较大的回报差距的反应是更有同情心。男人比女人对付出的代价更敏感,因为他们往往是社会盈余最大化者,对付出的代价反应更大,而女人往往是不平等回避者,对付出的代价不太敏感。
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引用次数: 3
Development, Modernization, and Son Preference in Fertility Decisions 发展、现代化和生育决策中的儿子偏好
Pub Date : 2008-09-01 DOI: 10.1596/1813-9450-4716
D. Filmer, J. Friedman, Norbert R. Schady
A family preference for sons over daughters may manifest itself in different ways, including higher mortality, worse health status, or lower educational attainment among girls. This study focuses on one measure of son preference in the developing world, namely the likelihood of continued childbearing given the gender composition of existing children in the family. The authors use an unusually large data set, covering 65 countries and approximately 5 million births. The analysis shows that son preference is apparent in many regions of the developing world and is particularly large in South Asia and in the Eastern Europe and Central Asia region. Modernization does not appear to reduce son preference. For example, in South Asia son preference is larger for women with more education and is increasing over time. The explanation for these patterns appears to be that latent son preference in childbearing is more likely to manifest itself when fertility levels are low. As a result of son preference, girls tend to grow up with significantly more siblings than boys do, which may have implications for their wellbeing if there are quantity-quality trade-offs that result in fewer material and emotional resources allocated to children in larger families.
家庭重男轻女可能以不同的方式表现出来,包括女孩死亡率较高、健康状况较差或受教育程度较低。这项研究的重点是发展中国家重男轻女的一个衡量标准,即考虑到家庭中现有子女的性别构成,继续生育的可能性。作者使用了一个不同寻常的大数据集,涵盖了65个国家和大约500万新生儿。分析表明,重男轻女现象在发展中世界的许多地区都很明显,在南亚、东欧和中亚地区尤为严重。现代化似乎并没有减少重男轻女的现象。例如,在南亚,受教育程度较高的女性更倾向于重男轻女,并且随着时间的推移而增加。对这些模式的解释似乎是,当生育水平较低时,潜在的重男轻女倾向更有可能表现出来。由于重男轻女的观念,女孩在成长过程中往往比男孩有更多的兄弟姐妹,如果存在数量和质量的权衡,导致在大家庭中分配给孩子的物质和情感资源减少,这可能会对她们的幸福产生影响。
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引用次数: 30
Funding Levels and Gender in Public Pension Plans 公共养老金计划中的资金水平和性别
Pub Date : 2008-08-11 DOI: 10.1111/j.1540-5850.2008.00913.x
Tim V. Eaton, John R. Nofsinger
Using a comprehensive sample of 2002 and 2005 U.S. public retirement systems, we found that public pension plan underfunding grew dramatically in these years despite a good economy, increasing state tax revenues, and strong stock market returns on average, plans were only 83% funded. Teacher plans and plans with the most retirees were more underfunded. We found no significant differences related to asset allocations or actuarial assumptions about inflation and rate of return. A primary factor associated with significantly lower underfunding was more female active participants in the plan, suggesting another risk to women's retirement income.
利用2002年和2005年美国公共退休制度的综合样本,我们发现,尽管经济状况良好,州税收收入增加,股票市场平均回报强劲,但这些年来公共养老金计划资金不足的情况急剧增加,计划只有83%的资金到位。教师计划和大多数退休人员的计划资金不足。我们没有发现与资产配置或关于通货膨胀率和回报率的精算假设相关的显著差异。与资金不足显著减少相关的一个主要因素是更多的女性积极参与该计划,这表明女性退休收入面临另一个风险。
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引用次数: 18
An Empirical Assessment of Household Income Patterns in Italy 意大利家庭收入模式的实证评估
Pub Date : 2008-08-09 DOI: 10.2139/ssrn.1262228
A. Bucciol
We use the SHIW panel dataset to characterize the properties of household income patterns in Italy. Our model treats income as a linear combination of deterministic, persistent AR(1) and transitory MA(1) components. We find the typical hump-shape commonly observed on US data only for households with a highly educated head. Our estimates for the persistent and transitory shocks are instead in line with previous findings for the US. The autoregressive coefficient is insignificantly different from one. Households with a highly educated head face a higher persistent risk and a lower transitory risk. Self-employed workers face higher persistent and transitory risks.
我们使用SHIW面板数据集来表征意大利家庭收入模式的属性。我们的模型将收入视为确定性的、持续的AR(1)和暂时的MA(1)组成部分的线性组合。我们发现,美国数据中常见的典型驼峰形状只出现在受过高等教育的家庭中。相反,我们对持续和短暂冲击的估计与之前对美国的调查结果一致。自回归系数与1的差异不显著。受过高等教育的家庭面临较高的持续性风险和较低的暂时性风险。个体经营者面临较高的持续性和暂时性风险。
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引用次数: 0
A New Picture of Swedish Earnings Inequality: Persistent and Transitory Components, 1960-1990 瑞典收入不平等的新图景:持续和短暂因素,1960-1990
Pub Date : 2008-08-05 DOI: 10.1111/j.1475-4991.2008.00278.x
Magnus Gustavsson
Using a large individual longitudinal database, I decompose the cross-sectional variance of male annual earnings in Sweden between 1960 and 1990 into persistent and transitory components. The persistent variance displays a downward trend during the whole sample period, but with the rate of decline more rapid up until the early 1980s than afterwards. The transitory variance has increased from 1960 until the early 1970s, decreased slightly until the late 1970s, and then risen again during the second half of the 1980s. An important lesson from these results concern the interpretation of the rise in cross-sectional inequality observed after the 1983 breakdown of centralized bargaining in Sweden. While it has often been presumed that this growth reflected increased returns to skills, this study shows that it was in fact due to increased transitory earnings fluctuations.
使用一个大型的个人纵向数据库,我将瑞典男性年收入在1960年至1990年间的横截面方差分解为持续和短暂的成分。持续方差在整个样本期内呈下降趋势,但在20世纪80年代初之前下降的速度比之后更快。从1960年到70年代初,暂时性方差增加,到70年代末略有下降,然后在80年代后半期再次上升。从这些结果中得出的一个重要教训涉及到对1983年瑞典中央议价制度崩溃后观察到的横断面不平等加剧的解释。虽然人们通常认为这种增长反映了技能回报的增加,但这项研究表明,这实际上是由于暂时性收入波动的增加。
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引用次数: 34
期刊
Labor: Demographics & Economics of the Family
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