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Cliometrics: Past, Present, and Future 计量学:过去、现在和未来
Pub Date : 2021-08-31 DOI: 10.1093/acrefore/9780190625979.013.552
C. Diebolt, Michael Haupert
Cliometrics is the application of economic theory and quantitative methods to the study of economic history. The methodology rose to favor in economics departments in the 1960s. It grew to dominate the discipline over the next two decades, culminating in the awarding of the 1993 Nobel Prize in Economics to two of its pioneers, Robert Fogel and Douglass North. Cliometrics has always had its share of critics, and some have blamed it for the diminished role that economic history has had in economics programs in the 21st century.
计量学是经济理论和定量方法在经济史研究中的应用。这种方法在20世纪60年代开始受到经济系的青睐。在接下来的20年里,它逐渐成为该学科的主导,并在1993年将诺贝尔经济学奖授予两位先驱罗伯特·福格尔(Robert Fogel)和道格拉斯·诺斯(Douglass North)时达到顶峰。历史计量学一直受到批评,一些人指责它导致经济史在21世纪经济学项目中的作用减弱。
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引用次数: 4
Willingness to Pay in Hedonic Pricing Models 在享乐定价模式下的支付意愿
Pub Date : 2021-08-31 DOI: 10.1093/acrefore/9780190625979.013.583
David Wolf, H. Klaiber
The value of a differentiated product is simply the sum of its parts. This concept is easily observed in housing markets where the price of a home is determined by the underlying bundle of attributes that define it and by the price households are willing to pay for each attribute. These prices are referred to as implicit prices because their value is indirectly revealed through the price of another product (typically a home) and are of interest as they reveal the value of goods, such as nearby public amenities, that would otherwise remain unknown. This concept was first formalized into a tractable theoretical framework by Rosen, and is known as the hedonic pricing method. The two-stage hedonic method requires the researcher to map housing attributes into housing price using an equilibrium price function. Information recovered from the first stage is then used to recover inverse demand functions for nonmarket goods in the second stage, which are required for nonmarginal welfare evaluation. Researchers have rarely implemented the second stage, however, due to limited data availability, specification concerns, and the inability to correct for simultaneity bias between price and quality. As policies increasingly seek to deliver large, nonmarginal changes in public goods, the need to estimate the hedonic second stage is becoming more poignant. Greater effort therefore needs to be made to establish a set of best practices within the second stage, many of which can be developed using methods established in the extensive first-stage literature.
差异化产品的价值只是其各部分的总和。这个概念在住房市场中很容易观察到,因为住房的价格是由定义它的一系列基本属性和家庭愿意为每个属性支付的价格决定的。这些价格被称为隐性价格,因为它们的价值是通过另一种产品(通常是房屋)的价格间接揭示出来的,而且由于它们揭示了商品的价值,例如附近的公共设施,而这些商品的价值是未知的,所以它们很有趣。这个概念最初是由Rosen形式化成一个易于处理的理论框架,并被称为享乐定价方法。两阶段享乐法要求研究者使用均衡价格函数将住房属性映射到房价中。从第一阶段恢复的信息然后用于恢复第二阶段非市场商品的逆需求函数,这是非边际福利评估所必需的。然而,由于有限的数据可用性、规格问题以及无法纠正价格和质量之间的同时性偏差,研究人员很少实施第二阶段。随着政策越来越多地寻求在公共产品方面带来巨大的、非边际的变化,估计享乐的第二阶段的需求正变得越来越迫切。因此,需要作出更大的努力,在第二阶段建立一套最佳做法,其中许多做法可以利用第一阶段广泛文献中建立的方法来发展。
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引用次数: 2
The Behavioral Consequences of Conflict Exposure on Risk Preferences 冲突暴露对风险偏好的行为影响
Pub Date : 2021-08-31 DOI: 10.1093/acrefore/9780190625979.013.637
E. Fatas, Nathaly Jiménez, Lina Restrepo-Plaza, Gustavo Rincón
Violent conflict is a polyhedric phenomenon. Beyond the destruction of physical and human capital and the economic, political, and social costs war generates, there is an additional burden carried by victims: persistent changes in the way they make decisions. Exposure to violence generates changes in how individuals perceive other individuals from their group and other groups, how they discount the future, and how they assess and tolerate risk. The behavioral consequences of violence exposure can be documented using experiments in which participants make decisions in a controlled, incentive-compatible scenario. The external validity of experiments is reinforced when the studies are run in postconflict scenarios, for example, in Colombia, with real victims of conflict. The experimental tasks, therefore, may map risk attitudes among victims and nonvictims of the conflict who share a common background, and distinguish between different types of exposure (direct versus indirect) and different sources of violence (conflict-related versus criminal violence). The experimental evidence collected in Colombia is consistent with a long-lasting and substantial effect of conflict exposure on risk attitudes. Victims are more likely to take risks and less likely to make safe choices than nonvictims, controlling for demographic, socioeconomic, and attitudinal factors. The effect is significant only when the source of violence is conflict (exerted by guerrilla or paramilitary militias) and when violence is experienced directly by individuals. Indirect conflict exposure (suffered by close relatives) and criminal violence leave no significant mark on participants’ risk attitudes in the study.
暴力冲突是一种多面体现象。除了物质和人力资本的破坏以及战争造成的经济、政治和社会成本之外,受害者还承受着额外的负担:他们决策方式的持续变化。接触暴力会改变个人对本群体和其他群体中其他个人的看法,改变他们对未来的看法,改变他们评估和容忍风险的方式。暴露于暴力的行为后果可以通过实验记录,在实验中,参与者在受控的、激励相容的情况下做出决定。当研究在冲突后的情况下进行时,例如在哥伦比亚,有真正的冲突受害者,实验的外部有效性得到加强。因此,实验任务可以绘制具有共同背景的冲突受害者和非受害者的风险态度,并区分不同类型的暴露(直接与间接)和不同的暴力来源(冲突相关暴力与犯罪暴力)。在哥伦比亚收集的实验证据与冲突暴露对风险态度的长期和实质性影响是一致的。在人口统计、社会经济和态度因素的控制下,受害者比非受害者更有可能承担风险,更不可能做出安全的选择。只有当暴力的来源是冲突(由游击队或准军事民兵组织施加)和个人直接经历暴力时,这种影响才有意义。在研究中,间接冲突暴露(由近亲遭受)和犯罪暴力对参与者的风险态度没有显著影响。
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引用次数: 4
Climate Change and Coastal Vulnerability 气候变化与沿海脆弱性
Pub Date : 2021-08-31 DOI: 10.1093/acrefore/9780190625979.013.576
Xiaoyu Li, S. Gopalakrishnan
The convergence of geophysical and economic forces that continuously influence environmental quality in the coastal zone presents a grand challenge for resource and environmental economists. To inform climate adaptation policy and identify pathways to sustainability, economists must draw from different lines of inquiry, including nonmarket valuation, quasi-experimental analyses, common-pool resource theory, and spatial-dynamic modeling of coupled coastal-economic systems. Theoretical and empirical contributions in valuing coastal amenities and risks help examine the economic impact of climate change on coastal communities and provide a key input to inform policy analysis. Co-evolution of community demographics, adaptation decisions, and the physical coastline can result in unintended consequences, like climate-induced migration, that impacts community composition after natural disasters. Positive and normative models of coupled coastline systems conceptualize the feedbacks between physical coastline dynamics and local community decisions as a dynamic geoeconomic resource management problem. There is a pressing need for interdisciplinary research across natural and social sciences to better understand climate adaptation and coastal resilience.
不断影响海岸带环境质量的地球物理和经济力量的汇合对资源和环境经济学家提出了巨大的挑战。为了为气候适应政策提供信息并确定可持续发展的途径,经济学家必须从不同的研究方向出发,包括非市场评估、准实验分析、公共资源理论和耦合沿海经济系统的空间动态建模。在评估沿海便利设施和风险方面的理论和实证贡献有助于检查气候变化对沿海社区的经济影响,并为政策分析提供关键信息。社区人口统计、适应决策和物理海岸线的共同进化可能导致意想不到的后果,如气候引起的移民,从而影响自然灾害后的社区组成。耦合海岸线系统的积极和规范模型将物理海岸线动态与当地社区决策之间的反馈概念化为一个动态的地缘经济资源管理问题。迫切需要进行自然科学和社会科学的跨学科研究,以更好地理解气候适应和沿海恢复力。
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引用次数: 4
The Economics of Health and Migration 健康与移民经济学
Pub Date : 2021-08-31 DOI: 10.1093/acrefore/9780190625979.013.697
Osea Giuntella, T. Halliday
Migration and health are intimately connected. It is known that migrants tend to be healthier than non-migrants. However, the mechanisms for this association are elusive. On the one hand, the costs of migration are lower for healthier people, thereby making it easier for the healthy to migrate. Empirical evidence from a variety of contexts shows that the pre-migration health of migrants is better than it is for non-migrants, indicating that there is positive health-based selection in migration. On the other hand, locations can be viewed as a bundle of traits including but not limited to environmental conditions, healthcare quality, and violence. Each of these can impact health. Evidence shows that moving from locations with high mortality to low mortality can reduce mortality risks. Consistent with this, migration can increase mortality risk if it leads to greater exposure to risk factors for disease. The health benefits enjoyed by migrants can also be found in their children. However, these advantages erode with successive generations.
移徙与卫生密切相关。众所周知,移民往往比非移民更健康。然而,这种关联的机制是难以捉摸的。一方面,对健康的人来说,移徙的成本较低,从而使健康的人更容易移徙。来自各种背景的经验证据表明,移徙者的移徙前健康状况优于非移徙者,表明移徙中存在积极的基于健康的选择。另一方面,地点可以被视为一系列特征,包括但不限于环境条件、医疗质量和暴力。这些都可能影响健康。有证据表明,从死亡率高的地方迁移到死亡率低的地方可以减少死亡风险。与此相一致的是,如果移徙导致更多地接触疾病风险因素,则可能增加死亡风险。移徙者所享有的健康福利也体现在他们的子女身上。然而,这些优势随着一代一代的传承而逐渐消失。
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引用次数: 0
Quantile Regression for Panel Data and Factor Models 面板数据和因子模型的分位数回归
Pub Date : 2021-08-31 DOI: 10.1093/acrefore/9780190625979.013.669
Carlos Lamarche
For nearly 25 years, advances in panel data and quantile regression were developed almost completely in parallel, with no intersection until the work by Koenker in the mid-2000s. The early theoretical work in statistics and economics raised more questions than answers, but it encouraged the development of several promising new approaches and research that offered a better understanding of the challenges and possibilities at the intersection of the literatures. Panel data quantile regression allows the estimation of effects that are heterogeneous throughout the conditional distribution of the response variable while controlling for individual and time-specific confounders. This type of heterogeneous effect is not well summarized by the average effect. For instance, the relationship between the number of students in a class and average educational achievement has been extensively investigated, but research also shows that class size affects low-achieving and high-achieving students differently. Advances in panel data include several methods and algorithms that have created opportunities for more informative and robust empirical analysis in models with subject heterogeneity and factor structure.
在近25年的时间里,面板数据和分位数回归的进展几乎是并行发展的,直到2000年代中期Koenker的研究才出现交集。统计学和经济学的早期理论工作提出的问题多于答案,但它鼓励了一些有前途的新方法和研究的发展,这些新方法和研究为更好地理解文献交叉点的挑战和可能性提供了更好的理解。面板数据分位数回归允许在控制个体和特定时间的混杂因素的同时,在响应变量的条件分布中估计异质性的影响。这种异质效应不能很好地概括为平均效应。例如,一个班级的学生人数和平均教育成绩之间的关系已经得到了广泛的调查,但研究也表明,班级规模对成绩差和成绩好的学生的影响是不同的。面板数据的进步包括几种方法和算法,这些方法和算法为具有主体异质性和因素结构的模型提供了更多信息和更强大的实证分析机会。
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引用次数: 2
Religiosity and Development 宗教信仰与发展
Pub Date : 2021-06-28 DOI: 10.1093/acrefore/9780190625979.013.688
Jeanet Sinding Bentzen
Economics of religion is the application of economic methods to the study of causes and consequences of religion. Ever since Max Weber set forth his theory of the Protestant ethic, social scientists have compared socioeconomic differences across Protestants and Catholics, Muslims, and Christians, and more recently across different intensities of religiosity. Religiosity refers to an individual’s degree of religious attendance and strength of beliefs. Religiosity rises with a growing demand for religion resulting from adversity and insecurity or a surging supply of religion stemming from increasing numbers of religious organizations, for instance. Religiosity has fallen in some Western countries since the mid-20th century, but has strengthened in several other societies around the world. Religion is a multidimensional concept, and religiosity has multiple impacts on socioeconomic outcomes, depending on the dimension observed. Religion covers public religious activities such as church attendance, which involves exposure to religious doctrines and to fellow believers, potentially strengthening social capital and trust among believers. Religious doctrines teach belief in supernatural beings, but also social views on hard work, refraining from deviant activities, and adherence to traditional norms. These norms and social views are sometimes orthogonal to the general tendency of modernization, and religion may contribute to the rising polarization on social issues regarding abortion, LGBT rights, women, and immigration. These norms and social views are again potentially in conflict with science and innovation, incentivizing some religious authorities to curb scientific progress. Further, religion encompasses private religious activities such as prayer and the particular religious beliefs, which may provide comfort and buffering against stressful events. At the same time, rulers may exploit the existence of belief in higher powers for political purposes. Empirical research supports these predictions. Consequences of higher religiosity include more emphasis on traditional values such as traditional gender norms and attitudes against homosexuality, lower rates of technical education, restrictions on science and democracy, rising polarization and conflict, and lower average incomes. Positive consequences of religiosity include improved health and depression rates, crime reduction, increased happiness, higher prosociality among believers, and consumption and well-being levels that are less sensitive to shocks.
宗教经济学是应用经济学方法研究宗教的原因和后果。自从马克斯·韦伯提出他的新教伦理理论以来,社会科学家们就比较了新教徒和天主教徒、穆斯林和基督徒之间的社会经济差异,最近又比较了不同宗教强度之间的社会经济差异。宗教性是指一个人参加宗教活动的程度和信仰的强度。例如,由于逆境和不安全,对宗教的需求不断增长,或者由于宗教组织数量的增加,宗教供应激增,宗教虔诚度随之上升。自20世纪中期以来,宗教信仰在一些西方国家有所下降,但在世界上其他一些社会却有所加强。宗教是一个多维度的概念,宗教信仰对社会经济结果有多重影响,这取决于所观察到的维度。宗教包括公共宗教活动,如去教堂做礼拜,这涉及到接触宗教教义和其他信徒,潜在地加强了社会资本和信徒之间的信任。宗教教义教导对超自然生物的信仰,但也教导社会对努力工作、避免越轨活动和遵守传统规范的看法。这些规范和社会观点有时与现代化的总体趋势是正交的,宗教可能会导致在堕胎、LGBT权利、妇女和移民等社会问题上日益两极分化。这些规范和社会观点再次与科学和创新发生潜在冲突,激励一些宗教当局遏制科学进步。此外,宗教包括私人的宗教活动,如祈祷和特定的宗教信仰,这可能提供安慰和缓冲压力事件。与此同时,统治者可能会利用对更高权力的信仰来达到政治目的。实证研究支持这些预测。更高的宗教虔诚度的后果包括更强调传统价值观,如传统的性别规范和反对同性恋的态度,更低的技术教育比例,对科学和民主的限制,两极分化和冲突的加剧,以及更低的平均收入。宗教虔诚的积极影响包括改善健康和抑郁率,减少犯罪,增加幸福感,信徒中更亲社会,消费和幸福水平对冲击不太敏感。
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引用次数: 2
Economic Studies on the Opioid Crisis: Costs, Causes, and Policy Responses 阿片类药物危机的经济学研究:成本、原因和政策应对
Pub Date : 2021-06-28 DOI: 10.1093/acrefore/9780190625979.013.283
J. Maclean, Justine Mallatt, C. Ruhm, K. Simon
The United States has experienced an unprecedented crisis related to the misuse of and addiction to opioids. As of 2018, 128 Americans die each day of an opioid overdose, and total economic costs associated with opioid misuse are estimated to be more than $500 billion annually. The crisis evolved in three phases, starting in the 1990s and continuing through 2010 with a massive increase in use of prescribed opioids associated with lax prescribing regulations and aggressive marketing efforts by the pharmaceutical industry. A second phase included tightening restrictions on prescribed opioids, reformulation of some commonly misused prescription medications, and a shift to heroin consumption over the period 2010 to 2013. Since 2013, the third phase of the crisis has included a movement toward synthetic opioids, especially fentanyl, and a continued tightening of opioid prescribing regulations, along with the growth of both harm reduction and addiction treatment access policies, including a possible 2021 relaxation of buprenorphine prescribing regulations. Economic research, using innovative frameworks, causal methods, and rich data, has added to our understanding of the causes and consequences of the crisis. This body of research identifies intended and unintended impacts of policies designed to address the crisis. Although there is general agreement that the causes of the crisis include a combination of supply- and demand-side factors, and interactions between them, there is less consensus regarding the relative importance of each. Studies show that regulations can reduce opioid prescribing but may have less impact on root causes of the crisis and, in some cases, have spillover effects resulting in greater use of more harmful substances obtained in illicit markets, where regulation is less possible. There are effective opioid use disorder treatments available, but access, stigma, and cost hurdles have stifled utilization, resulting in a large degree of under-treatment in the United States. How challenges brought about by the COVID-19 pandemic may intersect with the opioid crisis is unclear. Emerging areas for future research include understanding how societal and health care systems disruptions affect opioid use, as well as which regulations and policies most effectively reduce potentially inappropriate prescription opioid use and illicit opioid sources without unintended negative consequences.
美国经历了与阿片类药物滥用和成瘾有关的前所未有的危机。截至2018年,每天有128名美国人死于阿片类药物过量,与阿片类药物滥用相关的总经济成本估计每年超过5000亿美元。这场危机分三个阶段演变,始于20世纪90年代,一直持续到2010年,处方阿片类药物的使用大幅增加,这与宽松的处方监管和制药行业积极的营销努力有关。第二阶段包括加强对处方阿片类药物的限制,重新配制一些常被滥用的处方药,并在2010年至2013年期间转向海洛因消费。自2013年以来,危机的第三阶段包括转向合成阿片类药物,特别是芬太尼,阿片类药物处方法规继续收紧,同时减少危害和获得成瘾治疗的政策也在增加,包括可能在2021年放宽丁丙诺啡处方法规。经济研究使用创新的框架、因果方法和丰富的数据,增加了我们对危机的原因和后果的理解。这一研究体系确定了旨在应对危机的政策有意和无意的影响。尽管人们普遍认为,危机的原因包括供给侧和需求侧因素的组合,以及它们之间的相互作用,但对于每一个因素的相对重要性,人们却没有达成共识。研究表明,监管可以减少阿片类药物处方,但对危机根源的影响可能较小,在某些情况下,还会产生溢出效应,导致更多地使用从不太可能实施监管的非法市场获得的更有害物质。目前有有效的阿片类药物使用障碍治疗方法,但可及性、耻辱感和成本障碍阻碍了阿片类药物的利用,导致美国在很大程度上治疗不足。目前尚不清楚COVID-19大流行带来的挑战如何与阿片类药物危机交织在一起。未来研究的新兴领域包括了解社会和卫生保健系统的中断如何影响阿片类药物的使用,以及哪些法规和政策最有效地减少可能不适当的处方阿片类药物使用和非法阿片类药物来源,而不会产生意想不到的负面后果。
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引用次数: 4
Modern Norwegian Economic History 现代挪威经济史
Pub Date : 2021-06-28 DOI: 10.1093/acrefore/9780190625979.013.680
Ola Grytten
Since Norway’s formation as an independent sovereign state in 1814, its small open economy has, like its neighboring countries, experienced significant economic growth. During the last several decades petroleum has made the country one of the wealthiest in the world. The main reason for the long-term growth seems to have been the ability to meet international demand by utilizing rich natural resources, adopting efficient technology, and drawing on the labor force in order to gain high productivity. Historical national accounts reveal that Norway’s wealth was close to the Western European average during the early 19th century. From the 1840s to the mid-1870s, Norwegian growth rates were clearly better than average. This period was followed by relative stagnation until the 1890s, when the country saw rapid industrialization based on hydroelectricity. After the two World Wars Norway adopted a social democratic rule, with a high degree of economic planning, called the Nordic model. This has contributed to a large public sector and evenly distributed wealth and resources. The discovery of oil and gas on the Norwegian continental shelf marked a new era, when Norway experienced higher growth rates than most Western economies. This has made it the country with the highest score in the United Nations Human Development Index (HDI) during the two first decades of the 21st century, despite a slowdown in growth after the financial crisis in 2008.
自1814年挪威成为一个独立的主权国家以来,其小规模的开放经济与周边国家一样,经历了显著的经济增长。在过去的几十年里,石油使这个国家成为世界上最富有的国家之一。长期增长的主要原因似乎是通过利用丰富的自然资源、采用高效的技术和利用劳动力以获得高生产率来满足国际需求的能力。历史上的国民账户显示,挪威的财富接近19世纪初西欧的平均水平。从19世纪40年代到70年代中期,挪威的经济增长率明显高于平均水平。这一时期之后是相对停滞,直到19世纪90年代,该国以水力发电为基础实现了快速工业化。两次世界大战后,挪威采用了社会民主主义统治,实行高度的经济计划,被称为北欧模式。这促成了一个庞大的公共部门和财富和资源的平均分配。挪威大陆架石油和天然气的发现标志着一个新时代的到来,当时挪威的经济增长率高于大多数西方经济体。尽管在2008年金融危机后经济增长有所放缓,但在21世纪头20年里,它仍是联合国人类发展指数(HDI)得分最高的国家。
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引用次数: 0
The Economic Effect of Vocational Education on Student Outcomes 职业教育对学生学业成绩的经济效应
Pub Date : 2021-06-28 DOI: 10.1093/acrefore/9780190625979.013.656
Shaun Dougherty, Walter G. Ecton
As long as formal education has existed, there has been a clear connection between education and preparation for employment. In much of the world, formal educational systems have come to include vocational education and training (VET) as part of secondary education. In these spaces, individuals can receive continued training in general skills related to reading, writing, and mathematics while also pursuing specific skills in prescribed vocational or technical programs (e.g., skilled trades, culinary arts, information technology, health services). Across all countries and associated educational systems, a tension exists between whether to invest educational dollars in general versus specific skill development. On the one hand, general skills allow for transferability and likely support adaptability across workplace settings and in response to changes in employment conditions. On the other hand, secondary school completion is not universal, even in rich countries, and there are often large penalties or social costs to not completing secondary education. Furthermore, across countries of varying GDP levels, the question about how to best prepare individuals for entry into and success in the workforce is a persistent one. Evidence suggests that the payoff to investments in VET vary considerably, and that context and the characteristics of participants likely inform the expected returns to such investments. For instance, there is strong evidence across contexts that male participants in VET are likely to benefit in the short- to medium-term with respect to employment and earnings, and possibly also engage in less crime. Unresolved, however, is whether these payoffs persist in the longer term. In contrast, for women the estimated returns appear to be more context dependent. Some research shows reduced fertility and greater financial independence of women participating in VET programs in less-developed countries, but evidence is mixed in other settings. All evidence underscores that the payoff to VET is likely tied to the extent to which it adapts to contemporary economic needs, including extending the amount of total formal education that participants might otherwise receive.
只要有正规教育存在,教育和就业准备之间就有明确的联系。在世界上许多地方,正规教育系统已经将职业教育和培训(VET)作为中等教育的一部分。在这些空间中,个人可以继续接受与阅读、写作和数学相关的一般技能培训,同时也可以在规定的职业或技术项目中学习特定技能(例如,熟练贸易、烹饪艺术、信息技术、卫生服务)。在所有国家和相关的教育体系中,是否将教育资金投资于一般技能发展与特定技能发展之间存在着紧张关系。一方面,一般技能允许可转移性,并可能支持跨工作场所设置和应对就业条件变化的适应性。另一方面,中学毕业并不是普遍的,即使在富裕国家也是如此,没有完成中学教育往往会受到很大的惩罚或付出很大的社会代价。此外,在国内生产总值水平不同的国家,如何为个人进入劳动力市场并取得成功做好最好的准备是一个长期存在的问题。有证据表明,职业教育培训投资的回报差异很大,背景和参与者的特征可能会影响这种投资的预期回报。例如,在各种情况下都有强有力的证据表明,职业教育培训的男性参与者可能在短期到中期的就业和收入方面受益,并且可能也会减少犯罪。然而,尚未解决的问题是,这些回报能否在更长期内持续下去。相比之下,对女性来说,估计的回报似乎更多地取决于具体情况。一些研究表明,在欠发达国家,参加职业教育培训项目的妇女生育率下降,经济独立程度提高,但在其他情况下,证据不一。所有证据都强调,职业教育培训的回报可能与它适应当代经济需求的程度有关,包括扩大参与者本来可能接受的正规教育的总数量。
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引用次数: 1
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Oxford Research Encyclopedia of Economics and Finance
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