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A Natural Experiment in Education Reform: The Case of Upper-Secondary Curriculum Compression 教育改革的自然实验:以高中课程压缩为例
IF 0.7 4区 经济学 Q3 ECONOMICS Pub Date : 2025-02-04 DOI: 10.1111/manc.12504
Tinna Laufey Ásgeirsdóttir, Gisli Gylfason, Gylfi Zoega

We use a change in Iceland's education system as a natural experiment to measure the effect of years spent in upper-secondary school on subsequent first-year outcomes at university. The duration of Iceland's upper-secondary education was shortened by 1 year through compression of the curriculum. We find that shorter upper-secondary education, 3 years instead of the previous four, leads to first-year university students completing fewer credits, getting a lower average grade in completed courses, and being more likely to drop out. We find that this negative effect of the reform disproportionately affected the academic performance of male students and those who previously demonstrated weaker academic abilities, thus increasing academic disparities.

我们将冰岛教育体系的变化作为一项自然实验来衡量高中教育年限对随后大学一年级成绩的影响。通过压缩课程,冰岛高中教育的学制缩短了1年。我们发现,较短的高中教育,3年而不是以前的4年,导致大学一年级学生完成的学分更少,完成课程的平均成绩更低,更有可能辍学。我们发现,这种改革的负面影响不成比例地影响了男学生和以前表现出较弱学术能力的学生的学习成绩,从而增加了学术差距。
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引用次数: 0
Effect of the Duty-Free and Quota-Free Market Access Schemes for Least Developed Countries on Income Inequality and Poverty 最不发达国家免关税和免配额市场准入制度对收入不平等和贫困的影响
IF 0.7 4区 经济学 Q3 ECONOMICS Pub Date : 2025-01-21 DOI: 10.1111/manc.12512
Sèna Kimm Gnangnon

This paper has examined whether the Duty-Free and Quota-Free (DFQF) market access preference schemes provided by Members of the World Trade Organization (WTO) to Least developed countries (LDCs) have been instrumental in reducing income inequality and poverty in these countries. The analysis has used the entropy balancing method over an unbalanced panel dataset of 36 LDCs (treatment group) and 19 countries in the control group, with data spanning the period 1997–2018. The feasible generalized least squares, the within fixed effects and the Seemingly Unrelated Regression estimators have been employed to address empirically the question. The analysis has established that the DFQF schemes have genuinely been instrumental in reducing income inequality and poverty in LDCs, including to a greater extent in non-African LDCs than in African LDCs. These findings confirm the importance of the DFQF schemes for LDCs.

本文考察了世界贸易组织(WTO)成员国向最不发达国家(LDCs)提供的免税和免配额(DFQF)市场准入优惠计划是否有助于减少这些国家的收入不平等和贫困。该分析对36个最不发达国家(治疗组)和19个对照组国家的不平衡面板数据集使用了熵平衡法,数据跨度为1997-2018年。利用可行广义最小二乘、内固定效应和似不相关回归估计对这一问题进行了实证研究。分析表明,DFQF计划确实有助于减少最不发达国家的收入不平等和贫穷,包括非洲以外的最不发达国家比非洲的最不发达国家在更大程度上减少收入不平等和贫穷。这些发现证实了DFQF计划对最不发达国家的重要性。
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引用次数: 0
Trade Variations due to Time Zones Related Distance and Delaying Costs: A Theoretical Exposition 时区相关距离和延迟成本导致的贸易差异:一个理论论述
IF 0.7 4区 经济学 Q3 ECONOMICS Pub Date : 2025-01-04 DOI: 10.1111/manc.12511
Biswajit Mandal, Maitrayee Das

This paper constructs a competitive trade model involving countries in two distinct time zone locations. Our results suggest that geographical distance positively impact service trade, in contrast to its harmful nature for goods trade. These results are not in line with the traditional gravity arguments of international trade. Our model also reveals an intriguing relationship: an increase in distance between trading nations results in higher skilled wages and lower rent in case of service trade, while goods trade yields the opposite effect. We then connect distance with delaying cost and find the effects of delaying cost on trade and factor prices. We further extend our basic model to introduce informal sector and government manufacturing sector. Despite these additions, the consistency in the effects of distance on factor prices and output persists.

本文构建了一个涉及两个不同时区国家的竞争性贸易模型。研究结果表明,地理距离对服务贸易的影响是正向的,而对货物贸易的影响是有害的。这些结果与传统的国际贸易重力论不符。我们的模型还揭示了一个有趣的关系:在服务贸易中,贸易国之间距离的增加导致技术工人工资的提高和租金的降低,而商品贸易则产生相反的效果。然后,我们将距离与延迟成本联系起来,发现延迟成本对贸易和要素价格的影响。我们进一步扩大我们的基本模式,引入非正规部门和政府制造业。尽管增加了这些因素,距离对要素价格和产出的影响仍然是一致的。
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引用次数: 0
The Fixed or Variable Rate Loan Decision: Which Small Businesses Prefer the Certainty of Fixed Rate Loans and Which Banks Offer Them? 固定利率或浮动利率贷款的决定:哪些小企业更喜欢固定利率贷款的确定性,哪些银行提供?
IF 0.7 4区 经济学 Q3 ECONOMICS Pub Date : 2024-12-19 DOI: 10.1111/manc.12509
Marc Cowling, Kit Pong Wong

If a small business expects that interest rates will rise in the future then it is rational to insure oneself against this by accepting a fixed rate loan. In addition, small firms may prefer the certainty of fixed interest payments throughout the term of a loan. However, banks may prefer to offer variable rate loans as this insures them against volatility and uncertainty of their funding cost and shifts risk to the borrower. In this paper we empirically analyse what types of lending institutions offer fixed rate loans and what types of small firms accept them using a large UK data set from 2009–2020 covering government guaranteed loans. We initially found that fixed rate loans are more expensive than variable rate loans on average, and that larger firms and those taking out longer maturity loans were more likely to take out fixed rate loans. In contrast, larger size loans were more likely to be issued on a variable interest rate and by a larger lending institution. As large banks made greater returns from fixed rate loans, they increased use of them over the decade to favoured borrowers suggesting that regret aversion also played a role in the bank's decision and also that macroeconomic conditions were improving after the Global Financial Crisis.

如果一家小企业预计未来利率会上升,那么通过接受固定利率贷款来为自己投保是合理的。此外,小公司可能更喜欢在整个贷款期限内固定利息支付的确定性。然而,银行可能更愿意提供可变利率贷款,因为这可以确保它们免受融资成本的波动性和不确定性的影响,并将风险转移给借款人。在本文中,我们使用2009-2020年英国政府担保贷款的大型数据集,实证分析了哪些类型的贷款机构提供固定利率贷款,以及哪些类型的小企业接受固定利率贷款。我们最初发现,固定利率贷款平均比可变利率贷款更昂贵,而且大公司和那些贷款期限较长的公司更有可能申请固定利率贷款。相比之下,规模较大的贷款更有可能由规模较大的贷款机构按可变利率发放。由于大型银行从固定利率贷款中获得了更高的回报,它们在过去10年里越来越多地向受青睐的借款人使用固定利率贷款,这表明后悔厌恶情绪在银行的决策中也发挥了作用,而且全球金融危机后宏观经济状况正在改善。
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引用次数: 0
Inflation Persistence in the G7: The Effects of the Covid-19 Pandemic and of the Russia-Ukraine War 七国集团的持续通货膨胀:Covid-19大流行和俄乌战争的影响
IF 0.7 4区 经济学 Q3 ECONOMICS Pub Date : 2024-12-19 DOI: 10.1111/manc.12507
Nuruddeen Usman, Luis Alberiko Gil-Alana

This note analyses how shocks caused by the Covid-19 and the Russia-Ukraine crisis impact on inflation persistence G7 countries. Using data ending at December-2019, high estimates of the persistence parameter d indicate a strong persistence of inflation. The unit root hypothesis could not be refuted for Germany, Japan, and the United States, while this hypothesis is rejected in favour of higher orders of integration in the remaining cases. Expanding the dataset to include the pandemic and the Russia-Ukraine crisis reveal that d-values remain significantly elevated across all countries, reinforcing the persistence of inflation. Interestingly, Canada, previously excluded from the group, now aligns with Germany, Japan, and the United States. This suggests a change in inflation dynamics for Canada during these extraordinary periods. Additionally, employing a recursive estimate reveals a slight increase in inflation persistence for most countries, except Japan, which exhibits an almost flat trend in the evolution of the differencing parameter.

本报告分析了2019冠状病毒病和俄罗斯-乌克兰危机造成的冲击如何影响七国集团国家的通货膨胀。使用截至2019年12月的数据,持久性参数d的高估计值表明通胀持续强劲。对于德国、日本和美国,单位根假设不能被反驳,而在其他情况下,这一假设被拒绝,有利于更高阶的整合。将数据集扩大到包括大流行和俄罗斯-乌克兰危机,结果显示,所有国家的d值仍然显著升高,从而加剧了通货膨胀的持续存在。有趣的是,之前被排除在该集团之外的加拿大,现在与德国、日本和美国结盟。这表明,在这些特殊时期,加拿大的通胀动态发生了变化。此外,采用递归估计显示,除日本外,大多数国家的通货膨胀持续时间略有增加,日本在差异参数的演变中表现出几乎持平的趋势。
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引用次数: 0
The Uncertainty in Energy and Cryptocurrency Markets: Is Gold Really a Safe Haven? 能源和加密货币市场的不确定性:黄金真的是避风港吗?
IF 0.7 4区 经济学 Q3 ECONOMICS Pub Date : 2024-12-19 DOI: 10.1111/manc.12510
Shuangshuang Chang, Meng Qin, Chi Wei Su

Investigating gold's safe-haven status is crucial to stabilising energy and cryptocurrency markets. To capture the dynamic relationships between energy-related uncertainty (ERU), gold prices (GP), and cryptocurrency policy uncertainty (CPOU), this study employs the TVP-SV-VAR methodology. Through quantitative analysis, we find ERU has favourable and unfavourable effects on GP. The favourable impact underscores gold's safe-haven role against energy market uncertainty. At the same time, the negative impact contradicts this view and theoretical models, likely due to the U.S. dollar's value and gold's hedging performance against other uncertainties. CPOU, however, positively impacts GP, supporting gold's safe-haven characteristics against uncertainty in the cryptocurrency market and aligning with theoretical predictions. Gold's safe-haven status in the cryptocurrency market is comparably more consistent but slightly less significant. Additionally, this study validates the findings by substituting CPOU with cryptocurrency price uncertainty (CPRU), confirming their robustness. Given the high volatility in energy and cryptocurrency markets, this article offers valuable insights for authorities to maximise profits and ensure stable growth.

研究黄金的避险地位对稳定能源和加密货币市场至关重要。为了捕捉能源相关不确定性(ERU)、黄金价格(GP)和加密货币政策不确定性(CPOU)之间的动态关系,本研究采用了TVP-SV-VAR方法。通过定量分析,我们发现ERU对GP既有有利的影响,也有不利的影响。这一有利影响凸显了黄金在能源市场不确定性面前的避险作用。与此同时,这种负面影响与这种观点和理论模型相矛盾,可能是由于美元的价值和黄金对其他不确定性的对冲表现。然而,CPOU对GP产生了积极影响,支持黄金的避险特性,以应对加密货币市场的不确定性,并与理论预测保持一致。相比之下,黄金在加密货币市场中的避险地位更为一致,但重要性略低。此外,本研究通过用加密货币价格不确定性(CPRU)代替CPOU来验证研究结果,证实了它们的稳健性。鉴于能源和加密货币市场的高波动性,本文为当局提供了利润最大化和确保稳定增长的宝贵见解。
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引用次数: 0
A Simple Model of Intergenerational Mobility Under the Heterogeneous Effects of Public Expenditure 公共支出异质性效应下代际流动的简单模型
IF 0.7 4区 经济学 Q3 ECONOMICS Pub Date : 2024-12-14 DOI: 10.1111/manc.12508
Lifeng Zhang, Yanhua Xu

This paper analyzes the relationships among intergenerational mobility, human capital and public expenditure. We propose to incorporate the heterogeneous effects of public expenditure into a standard overlapping generations model of human capital accumulation. We show that these heterogeneous effects alter the shape of the relationships among intergenerational mobility, human capital and public expenditure in a way that has new policy implications. First, intergenerational mobility depends on the heterogeneous effects of public expenditure. Second, the relationship between public expenditure and intergenerational mobility can be either positive or negative. Third, public expenditure produces a non-monotonic effect on human capital. We find that when fiscal policy increases intergenerational mobility, the level of human capital may decrease. The government may therefore face a trade-off between fostering intergenerational mobility and increasing the level of human capital through public expenditure.

本文分析了代际流动、人力资本和公共支出之间的关系。我们建议将公共支出的异质性效应纳入人力资本积累的标准重叠代模型。我们表明,这些异质效应改变了代际流动性、人力资本和公共支出之间关系的形态,这在某种程度上具有新的政策含义。首先,代际流动性取决于公共支出的异质性效应。其次,公共支出与代际流动性之间的关系可以是正的,也可以是负的。第三,公共支出对人力资本产生非单调效应。我们发现,当财政政策增加代际流动性时,人力资本水平可能会下降。因此,政府可能要在促进代际流动和通过公共支出提高人力资本水平之间做出权衡。
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引用次数: 0
External Effect of Entry 进入的外部效应
IF 0.7 4区 经济学 Q3 ECONOMICS Pub Date : 2024-12-14 DOI: 10.1111/manc.12501
Steffen Ziss

This paper provides an analysis of the external effect of entry for both differentiated and homogenous products which takes account of the integer constraint, allows for cost-based or quality-based differences in firm size and for variation in firm conduct. The analysis shows that the external effect of entry is positive if the entrant is sufficiently large compared to the average incumbent, but not necessarily larger than the average incumbent, market conduct is competitive, there are few incumbents, marginal cost is steep relative to demand or products are sufficiently differentiated. These results contribute to the literature by expanding the set of market settings for which the external effect of entry is positive and thus for which profitable entry raises welfare.

本文分析了差异化产品和同质化产品进入市场的外部效应,其中考虑到了整数约束,允许企业规模存在基于成本或基于质量的差异,以及企业行为的变化。分析表明,如果进入者与平均在位者相比规模足够大(但不一定比平均在位者大)、市场行为具有竞争性、在位者数量少、边际成本相对于需求较高、或产品具有足够的差异化,则进入的外部效应为正。这些结果扩大了市场环境的范围,在这些市场环境中,进入的外部效应为正,因此盈利性进入会提高福利。
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引用次数: 0
Successful Central Banks Can Afford to Pay Scant Attention to Money 成功的央行可以承担对货币不够关注的后果
IF 0.7 4区 经济学 Q3 ECONOMICS Pub Date : 2024-12-12 DOI: 10.1111/manc.12506
Papadia Francesco, Cadamuro Leonardo

In the last few decades, central bankers and economists have paid little attention to monetary aggregates, in contrast with the experience of the 1970s and the 1980s. Our evidence shows that monetary aggregates lose relevance when central banks maintain low and stable inflation, as has occurred in recent decades. However, to move from unstable to stable inflation, our findings also show that attention to monetary aggregates is needed. Our findings help resolve the long-standing controversy about the importance of monetary aggregates for the conduct of monetary policy: monetary aggregates are vital to move from unstable to stable inflation but lose relevance once a central bank has consistently reached price stability.

在过去的几十年里,中央银行家和经济学家很少关注货币总量,这与20世纪70年代和80年代的经历形成了鲜明对比。我们的证据表明,当央行维持低而稳定的通胀时,货币总量就会失去相关性,就像近几十年来发生的那样。然而,要从不稳定的通胀转向稳定的通胀,我们的研究结果还表明,需要关注货币总量。我们的研究结果有助于解决长期以来关于货币总量对货币政策实施重要性的争议:货币总量对于从不稳定通胀转向稳定通胀至关重要,但一旦央行持续达到价格稳定,货币总量就失去了相关性。
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引用次数: 0
On Estimates of Insider Trading in Sports Betting 关于体育博彩内幕交易的估计
IF 0.7 4区 经济学 Q3 ECONOMICS Pub Date : 2024-12-12 DOI: 10.1111/manc.12505
Karl Whelan

Several researchers have reported estimates of the fraction of money placed on sports betting by “insiders” with superior information to bookmakers. We show the method for estimating the fraction of insiders used in this research is only accurate under highly unrealistic conditions and that these estimates will tend to be positive in realistic cases where there are no insiders. We also argue that variations in these estimates are unlikely to be related to variations in the amount of inside information but rather are more likely due to other factors such as variations in bookmakers' costs or the extent of competition in betting markets.

几位研究人员报告了“内部人士”在体育博彩中投入的资金比例的估计,他们的信息比博彩公司更优越。我们表明,在本研究中使用的估计内部人员比例的方法仅在高度不现实的条件下是准确的,而这些估计在没有内部人员的现实情况下往往是积极的。我们还认为,这些估计的变化不太可能与内幕信息数量的变化有关,而更有可能是由于其他因素,如博彩公司成本的变化或博彩市场竞争程度的变化。
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引用次数: 0
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