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Debt Crises: For Whom the Bell Tolls 债务危机:丧钟为谁而鸣
Pub Date : 2016-06-01 DOI: 10.3386/W22330
Harold L. Cole, Harold L. Cole, Daniel Neuhann, Guillermo Ordoñez, Guillermo Ordoñez
What a country has done in the past, and what other countries are doing in the present, can feedback for good or for ill in debt markets. We develop a simple model of sovereign bond markets with global investors and endogenous information acquisition about fundamental default probabilities. This model displays hysteresis and contagion in sovereign bond spreads. Small fundamental shocks in one country can induce investors to acquire information, generating price volatility and increased risk premia. These changes may also induce investors to rebalance their portfolio, generating market segmentation and information acquisition in seemingly unrelated economies. Information regimes may persist over time, requiring large improvements in fundamentals to return to more stable bond spread conditions.
一个国家过去的所作所为,以及其他国家目前的所作所为,都可能在债务市场上产生好坏反馈。我们建立了一个具有全球投资者和关于基本违约概率的内生信息获取的主权债券市场的简单模型。该模型显示了主权债券息差的滞后性和传染性。一个国家发生的微小的基本面冲击可能促使投资者获取信息,从而导致价格波动和风险溢价增加。这些变化还可能促使投资者重新平衡其投资组合,在看似不相关的经济体中产生市场细分和信息获取。信息机制可能会持续一段时间,需要基本面大幅改善,才能恢复到更稳定的债券息差状况。
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引用次数: 32
Sentiments and Economic Activity: Evidence from U.S. States 情绪与经济活动:来自美国各州的证据
Pub Date : 2016-05-03 DOI: 10.24148/WP2016-19
J. Benhabib, M. Spiegel
Using data from the Michigan Survey, we find a strong relationship between expectations concerning national output growth and future state economic activity. This linkage suggests that sentiment influences aggregate demand. This relationship is robust to a battery of sensitivity tests. However, national sentiment is also positively related to past state economic activity. We therefore turn to instrumental variables, positing that agents in states with a higher share of congressmen from the political party of the sitting President will be more optimistic. This instrument is strong in the first stage, and confirms the relationship between sentiment and future state economic activity.
使用密歇根调查的数据,我们发现对国家产出增长的预期与未来州经济活动之间存在很强的关系。这种联系表明,情绪会影响总需求。这种关系在一系列敏感性测试中是可靠的。然而,民族情绪也与过去的国家经济活动呈正相关。因此,我们转向工具变量,假设来自现任总统所在政党的国会议员比例较高的州的代理人会更乐观。这一工具在第一阶段表现强劲,证实了情绪与未来国家经济活动之间的关系。
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引用次数: 13
The Effect of Single-Sex Education on Test Scores, School Completion, Arrests, and Teen Motherhood: Evidence from School Transitions 单性别教育对考试成绩、完成学业、逮捕和青少年母亲的影响:来自学校转型的证据
Pub Date : 2016-05-01 DOI: 10.3386/W22222
C. Jackson
In 2010, the Ministry of Education in Trinidad and Tobago converted 20 low-performing secondary schools from coeducational to single-sex. I exploit these conversions to identify the causal effect of single-sex schooling holding other school inputs constant. After also accounting for student selection, single-sex cohorts at conversion schools score higher on national exams and are four percentage points more likely to complete secondary school. There are also important non-academic effects; all-boys cohorts have fewer arrests as teens, and all-girls cohorts have lower teen pregnancy rates. These benefits are achieved at zero financial cost. Survey evidence suggests that these single-sex effects reflect both direct gender peer effects due to interactions between classmates, and indirect effects generated through changes in teacher behavior.
2010年,特立尼达和多巴哥教育部将20所表现不佳的中学从男女同校改为单一性别的学校。我利用这些转换来确定单性别学校教育保持其他学校投入不变的因果效应。在考虑了学生选择因素后,转换学校的单性别学生在全国考试中得分更高,完成中学学业的可能性高出4个百分点。还有重要的非学术影响;全男生组青少年被捕率较低,全女生组青少年怀孕率较低。这些好处是在零财务成本的情况下实现的。调查证据表明,这些单一性别效应既反映了由于同学之间的互动而产生的直接性别同伴效应,也反映了由于教师行为变化而产生的间接效应。
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引用次数: 11
Taxing high-income earners: tax avoidance and mobility 对高收入者征税:避税和流动性
Pub Date : 2016-04-01 DOI: 10.1920/WP.IFS.2016.1607
B. Graham
The taxation of high-income earners is of importance to every country and is the subject of a considerable amount of recent academic research. Such high-income earners contribute substantial amounts of tax and generate significant positive spillovers, but are also highly mobile: a 1% increase in the top marginal income tax rate increases out-migrations by around 1.5 to 3%. We review research into taxation of high-income earners to provide a synthesis of existing theoretical and empirical understanding. We offer various avenues for potential future theoretical and empirical research.
对高收入者征税对每个国家都很重要,也是最近大量学术研究的主题。这些高收入者贡献了大量的税收,并产生了显著的正溢出效应,但他们的流动性也很高:最高边际所得税率每提高1%,向外迁移的人数就会增加约1.5%至3%。我们回顾了对高收入者税收的研究,以提供现有理论和实证理解的综合。我们为潜在的未来理论和实证研究提供了各种途径。
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引用次数: 16
Who Wants Affordable Housing in their Backyard? An Equilibrium Analysis of Low Income Property Development 谁想在自家后院建经济适用房?低收入房地产开发的均衡分析
Pub Date : 2016-04-01 DOI: 10.3386/W22204
Rebecca Diamond, Timothy J McQuade
We nonparametrically estimate spillovers of properties financed by the Low Income Housing Tax Credit (LIHTC) onto neighborhood residents by developing a new difference-in-differences style estimator. LIHTC development revitalizes low-income neighborhoods, increasing house prices 6.5%, lowering crime rates, and attracting racially and income diverse populations. LIHTC development in higher income areas causes house price declines of 2.5% and attracts lower income households. Linking these price effects to a hedonic model of preferences, LIHTC developments in low-income areas cause aggregate welfare benefits of $116 million. Affordable housing development acts like a place-based policy and can revitalize low-income communities.
我们通过开发一种新的差中差估计方法,对低收入住房税收抵免(LIHTC)资助的房产对社区居民的溢出效应进行了非参数估计。LIHTC的发展振兴了低收入社区,提高了6.5%的房价,降低了犯罪率,吸引了不同种族和收入的人口。LIHTC在高收入地区的发展导致房价下跌2.5%,并吸引了低收入家庭。将这些价格效应与偏好的享乐模式联系起来,低收入地区的廉租房发展带来了1.16亿美元的总福利收益。经济适用房开发就像一项基于地方的政策,可以振兴低收入社区。
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引用次数: 15
Gains from Trade with Flexible Extensive Margin Adjustment 灵活的广泛保证金调整的贸易收益
Pub Date : 2016-03-10 DOI: 10.3386/w22069
Chang-Tai Hsieh, Chang-Tai Hsieh, Chang-Tai Hsieh, Nicholas Li, Ralph Ossa, Mu-Jeung Yang
We propose a new sufficient statistic to measure the gains from trade in models where the extensive margin trade elasticity is not necessarily constant. This statistic is a function of one data moment, the market share of continuing domestic products, and one parameter, the elasticity of substitution between products. It measures the gains from trade in a Ricardian model with any productivity distribution or a Melitz model with any productivity distribution and any pattern of selection into production and exporting. We apply our statistic to measure Canada's gains from the Canada-US Free Trade Agreement and find that they are smaller than suggested by statistics that assume a constant extensive margin response of trade.
我们提出了一个新的充分的统计量来衡量贸易收益的模型,其中广泛融资弹性不一定是恒定的。这个统计数据是一个数据时刻的函数,即国内连续产品的市场份额,以及一个参数,即产品之间的替代弹性。它用李嘉图模型和梅利茨模型来衡量贸易收益,李嘉图模型和梅利茨模型分别采用生产率分布和生产和出口的选择模式。我们用我们的统计数据来衡量加拿大从加美自由贸易协定中获得的收益,发现它们比假设贸易的恒定广泛边际反应的统计数据所显示的要小。
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引用次数: 0
The Price Effects of Cross-Market Hospital Mergers 医院跨市场并购的价格效应
Pub Date : 2016-03-01 DOI: 10.3386/W22106
Leemore S. Dafny, Leemore S. Dafny, Katherine Ho, Katherine Ho, Robin S. Lee, Robin S. Lee
We consider the effect of mergers between firms whose products are not viewed as direct substitutes for the same good or service, but are bundled by a common intermediary. Focusing on hospital mergers across distinct geographic markets, we show that such combinations can reduce competition among merging hospitals for inclusion in insurers' networks, leading to higher prices (or lower-quality care). Using data on hospital mergers from 1996-2012, we find support that this mechanism operates within state boundaries: cross-market, within-state hospital mergers yield price increases of 7-9 percent for acquiring hospitals, whereas out of state acquisitions do not yield significant increases.
我们考虑公司之间合并的影响,这些公司的产品不被视为同一商品或服务的直接替代品,而是由共同的中介捆绑在一起。聚焦于不同地域市场的医院合并,我们表明这种合并可以减少合并医院之间为纳入保险公司网络而进行的竞争,从而导致更高的价格(或更低的护理质量)。利用1996年至2012年的医院合并数据,我们发现这种机制在州内运作的支持:跨市场、州内医院合并使收购医院的价格上涨7- 9%,而州外收购则没有显著上涨。
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引用次数: 52
Who Really Benefits from Consumption Tax Cuts? Evidence from a Large VAT Reform in France. 谁真正受益于消费税削减?来自法国大规模增值税改革的证据。
Pub Date : 2016-03-01 DOI: 10.3386/W23848
Youssef Benzarti, Dorian Carloni
In this paper we evaluate the incidence of a large cut in value-added taxes (VAT) for French sit-down restaurants. In contrast to previous studies that focus on prices only, we estimate its effect on four groups: workers, firm owners, consumers and suppliers of material goods. Using a difference-in-differences strategy on firm-level data we find that: (1) the effect on consumers was limited, (2) employees and sellers of material goods shared 25 and 16 percent of the total benefit, and (3) the reform mostly benefited owners of sit-down restaurants, who pocketed 41 percent of the tax cut.
在本文中,我们评估了法国坐下来的餐馆增值税(VAT)大幅削减的发生率。与以往只关注价格的研究不同,我们估计了价格对四个群体的影响:工人、企业所有者、消费者和物质产品供应商。利用企业层面数据的差异中之差策略,我们发现:(1)对消费者的影响是有限的,(2)员工和物质商品的销售商分享了总收益的25%和16%,(3)改革主要使坐下来的餐馆老板受益,他们获得了减税的41%。
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引用次数: 3
A Theory of Bidding Dynamics and Deadlines in Online Retail 网上零售竞价动态与截止日期理论
Pub Date : 2016-02-01 DOI: 10.3386/w22038
Dominic Coey, B. Larsen, Brennan C. Platt
We present an equilibrium search model that parsimoniously rationalizes the use of auctions as a sales mechanism for new-in-box goods--a frequent occurrence in online retail markets--and analyze whether the existence of these auctions is welfare enhancing relative to a market consisting only of posted prices. Buyers have a deadline by which the good must be purchased, and sellers choose between auctions and posted-price mechanisms. As the deadline approaches, buyers increase their bids and are more likely to buy through posted-price listings. The model predicts equilibrium price dispersion even for new, homogeneous goods. Using data on one million auction and posted-price listings for new-in-box items on eBay.com, we find robust evidence consistent with our model. As predicted, bidders increase their bids from one auction to the next, equilibrium price dispersion exists, and auctions and posted-price listings coexist. Fitting the model to the data, we find that retail auctions increase total welfare by 1.8% of the average retail price if listing fees exactly cover platform costs, but reduce welfare by 2.3% if listing fees are pure profit
我们提出了一个均衡搜索模型,该模型简化了拍卖作为新上架商品销售机制的合理性——在线零售市场中经常出现这种情况——并分析了相对于仅由张贴价格组成的市场,这些拍卖的存在是否能提高福利。买家有购买商品的最后期限,卖家在拍卖和标价机制之间做出选择。随着最后期限的临近,买家提高了出价,而且更有可能通过贴出的价格清单购买。该模型甚至预测了新的同质商品的均衡价格分散。使用eBay.com上100万件新上架物品的拍卖和标价清单的数据,我们发现了与我们的模型一致的有力证据。正如预测的那样,竞标者从一次拍卖增加到下一次拍卖,均衡价格分散存在,拍卖和公示价格并存。将模型拟合数据发现,如果挂牌费完全覆盖平台成本,零售拍卖使总福利增加了平均零售价格的1.8%,但如果挂牌费是纯利润,则使总福利减少了2.3%
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引用次数: 14
Effect of International Competition on Firm Productivity and Market Power 国际竞争对企业生产率和市场力量的影响
Pub Date : 2016-02-01 DOI: 10.1093/OXFORDHB/9780190226718.013.14
J. Loecker, Johannes van Biesebroeck
We propose a framework to evaluate the potential impact of international competition on firm performance and highlight two points. First, it is important to consider effects on productive efficiency and market power in an integrated framework. The popular concept of (revenue) TFP combines both effects which can lead to problems of estimation and interpretation. Second, greater international competition enlarges the relevant market and can affect both the number and the type of competitors a firm faces, as well as the nature of competition. While it is possible that firms respond by adjusting their production operations, pricing adjustments are all but guaranteed. We contrast three estimation approaches that start, respectively, from the demand side, the product extensive margin, and the production side. We conclude with a few avenues for future research.
我们提出了一个框架来评估国际竞争对企业绩效的潜在影响,并强调了两点。首先,重要的是要在一个综合框架中考虑对生产效率和市场力量的影响。流行的(收入)TFP概念结合了这两种效应,这可能导致估计和解释的问题。第二,更大的国际竞争扩大了相关市场,可以影响企业面临的竞争对手的数量和类型,以及竞争的性质。虽然企业有可能通过调整生产操作来应对,但调整价格几乎是必然的。我们对比了三种评估方法,分别从需求端、产品外延边际和生产端开始。最后,我们提出了未来研究的几个方向。
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引用次数: 42
期刊
National Bureau of Economic Research
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