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Comparative labor law journal : a publication of the U.S. National Branch of the International Society for Labor Law and Social Security [and] the Wharton School, and the Law School of the University of Pennsylvania最新文献

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Bias, Information, Noise: The BIN Model of Forecasting 偏差、信息、噪声:预测的BIN模型
Ville A. Satopaa, Marat Salikhov, P. Tetlock, B. Mellers
A four-year series of subjective probability forecasting tournaments sponsored by the U.S. intelligence community revealed a host of replicable drivers of predictive accuracy, including experimental interventions such as training in probabilistic reasoning, anti‐groupthink teaming, and tracking of talent. Drawing on these data, we propose a Bayesian BIN model (Bias, Information, Noise) for disentangling the underlying processes that enable forecasters and forecasting methods to improve—either by tamping down bias and noise in judgment or by ramping up the efficient extraction of valid information from the environment. The BIN model reveals that noise reduction plays a surprisingly consistent role across all three methods of enhancing performance. We see the BIN method as useful in focusing managerial interventions on what works when and why in a wide range of domains. An R-package called BINtools implements our method and is available on the first author’s personal website. This paper was accepted by Manel Baucells, decision analysis.
由美国情报界赞助的为期四年的主观概率预测锦标赛揭示了预测准确性的一系列可复制驱动因素,包括实验干预,如概率推理训练,反群体思维团队和人才跟踪。根据这些数据,我们提出了一个贝叶斯BIN模型(偏差、信息、噪声),用于理清使预测者和预测方法得以改进的潜在过程——要么通过降低判断中的偏差和噪声,要么通过提高从环境中有效信息的有效提取。BIN模型显示,在所有三种提高性能的方法中,降噪起着令人惊讶的一致作用。我们认为BIN方法在将管理干预集中于在广泛的领域中什么在何时以及为什么有效方面是有用的。一个名为BINtools的r包实现了我们的方法,可以在第一作者的个人网站上获得。这篇论文被Manel Baucells,决策分析所接受。
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引用次数: 27
Personal Wealth, Self-Employment, and Business Ownership 个人财富、自我雇佣和企业所有权
Aymeric Bellon, J. Cookson, E. Gilje, Rawley Z. Heimer
We study the effect of personal wealth on entrepreneurial decisions using data on mineral payments from Texas shale drilling to individuals throughout the United States. Large cash windfalls increase business formation by 0.8 to 2.1 percentage points, but do not affect transitions to self-employment. By contrast, cash windfalls significantly extend self-employment spells, but do not affect the duration of business ownership. Our findings help reconcile contrasting findings in prior work: liquidity constraints have different effects on entrepreneurial activity that may depend on the entrepreneur’s motivations.
我们研究了个人财富对创业决策的影响,使用了从德克萨斯州页岩钻探到美国各地个人的矿物支付数据。大笔现金意外之财使企业形成增加0.8至2.1个百分点,但不影响向自营职业的过渡。相比之下,现金意外之财大大延长了自营职业的时间,但不影响企业所有权的持续时间。我们的研究结果有助于调和先前工作的对比结果:流动性约束对创业活动有不同的影响,这可能取决于企业家的动机。
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引用次数: 15
Nudging Drivers to Safety: Evidence from a Field Experiment 轻推司机安全:来自现场实验的证据
V. Choudhary, M. Shunko, Serguei Netessine, Seongjoon Koo
Driving is an integral component of many operational systems, and any small improvement in driving quality can have a significant effect on accidents, traffic, pollution, and the economy in general. However, making improvements is challenging given the complexity and multidimensionality of driving as a task. In this paper, we investigate the effectiveness of nudging to improve driving performance. In particular, we leverage a smartphone application launched by our industry partners to send three types of nudges through notifications to drivers, indicating how they performed on the current trip with respect to their personal best, personal average, and latest driving performance. We measure the resulting driving performance using telematics technology (i.e., real-time sensor data from an accelerometer, Global Positioning System (GPS), and gyroscope in a mobile device). Compared with the “no-nudge” control group, we find that personal best and personal average nudges improve driving performance by approximately 18% standard deviations of the performance scores calculated by the application. In addition, these nudges improve interaccident times (by nearly 1.8 years) and driving performance consistency, as measured by the standard deviation of the performance score. Noting that driving abilities and feedback seeking may vary across individuals, we adopt a generalized random forest approach, which shows that high-performing drivers who are not frequent feedback seekers benefit the most from personal best nudges, whereas low-performing drivers who are also frequent feedback seekers benefit the most from the personal average nudges. Finally, we investigate the potential mechanism behind the results by conducting an online experiment in a nondriving context. The experiment shows that the performance improvements are directly driven by the changes in participants’ effort in response to different nudges and that our key findings are robust in alternative (nondriving) settings. Our analysis further shows that nudges are effective when the variability in reference points is low, which explains why the personal best and personal average nudges are effective, whereas the last score nudge is not. This paper was accepted by Vishal Gaur, operations management.
驾驶是许多操作系统不可或缺的组成部分,驾驶质量的任何微小改进都会对事故、交通、污染和总体经济产生重大影响。然而,考虑到驾驶任务的复杂性和多维性,进行改进是具有挑战性的。在本文中,我们研究了轻推对提高驾驶性能的有效性。特别是,我们利用行业合作伙伴推出的智能手机应用程序,通过通知向驾驶员发送三种类型的提示,显示他们在当前旅程中的个人最佳表现、个人平均表现和最新驾驶表现。我们使用远程信息处理技术(即来自加速度计、全球定位系统(GPS)和移动设备中的陀螺仪的实时传感器数据)来测量由此产生的驾驶性能。与“无轻推”对照组相比,我们发现个人最佳轻推和个人平均轻推提高了驾驶性能,大约提高了应用程序计算的性能分数的18%标准差。此外,根据性能评分的标准偏差,这些助推措施改善了事故间隔时间(近1.8年)和驾驶性能的一致性。注意到驾驶能力和反馈寻求可能因个体而异,我们采用广义随机森林方法,该方法表明,不经常寻求反馈的高性能驾驶员从个人最佳推动中获益最多,而经常寻求反馈的低性能驾驶员从个人平均推动中获益最多。最后,我们通过在非驾驶环境下进行在线实验来研究结果背后的潜在机制。实验表明,表现的提高是由参与者对不同推动的努力的变化直接驱动的,我们的主要发现在替代(非驾驶)设置中是稳健的。我们的分析进一步表明,当参考点的可变性较低时,推动是有效的,这解释了为什么个人最佳和个人平均推动是有效的,而最后一个分数推动则不是。本文被运营管理专业的Vishal Gaur接受。
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引用次数: 17
Scale Economies in the Money Market 货币市场中的规模经济
Su Li, David K. Musto
Money-market issuers reward scale when they borrow from prime money funds. The scale they reward isn’t the scale of the transaction or of the fund, but rather the scale of the fund complex. For a one-month loan the magnitude is a basis point per fourfold increase in complex size. Larger complexes also enjoy an advantage when exiting holdings: they are both more likely to part with a holding and more likely to exchange it with the issuer for new paper with longer maturity. Our results demonstrate both economies of scale, which can concentrate the industry, and also the importance of relationships in money-market transactions.
当货币市场发行者向优质货币基金借款时,他们会奖励规模。他们奖励的规模不是交易的规模或基金的规模,而是基金综合体的规模。对于一个月的贷款,其幅度是复杂规模每增加四倍就增加一个基点。大型综合机构在退出所持债券时也享有优势:它们更有可能出售所持债券,更有可能与发行方交换,以换取期限更长的新债券。我们的研究结果既证明了规模经济(可以集中产业),也证明了货币市场交易中关系的重要性。
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引用次数: 0
Initial Coin Offerings As a Commitment to Competition 首次代币发行是对竞争的承诺
Itay Goldstein, Deeksha Gupta, R. Sverchkov
We show that Initial Coin Offerings (ICOs) can limit rent-seeking activities of large firms with market power while preserving efficiency gains due to network effects. We model ICOs of utility tokens, which can be used to finance development of online platforms where buyers and sellers can meet to exchange services or goods. Utility tokens serve as the sole medium of exchange on a platform and can be traded in a secondary market. We show that such a financing mechanism allows an entrepreneur to give up monopolistic rents associated with the control of the platform and make a credible commitment to long-run competitive prices. The entrepreneur optimally chooses to have an ICO, rather than operate as a monopolist, only if future consumers of the platform participate in financing. ICOs, therefore, endogenously require crowd-funding to be viable.
我们表明,首次代币发行(ico)可以限制具有市场力量的大公司的寻租活动,同时保持由于网络效应而获得的效率收益。我们对实用型代币的ico进行了建模,这些代币可用于资助在线平台的开发,在这些平台上,买家和卖家可以见面交换服务或商品。实用型代币是平台上唯一的交易媒介,可以在二级市场进行交易。我们表明,这种融资机制允许企业家放弃与平台控制相关的垄断租金,并对长期竞争性价格做出可信的承诺。只有当平台的未来消费者参与融资时,企业家才会选择ICO,而不是作为垄断者运营。因此,ico内在地需要众筹才能可行。
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引用次数: 22
Short Seller Attention 卖空者注意事项
Rui Dai, Lilian Ng, N. Zaiats
This study exploits a complex information setting of a network of customer-supplier relationships to test whether short sellers pay attention to corporate news to act upon this news across the supply chain. We measure revealed short seller attention by using the link between a customer's news announcement return and the abnormal short selling of its supplier's stock. Results suggest that short sellers are attentive to news of customers to short their suppliers' stocks and that this short selling behavior strengthens with the intensity of SEC Edgar filing searches for both the customer and the supplier. Short sales of suppliers' stocks upon customer news announcements predict the suppliers' negative future stock returns, suggesting that short sellers' attention in a complicated information setting of customer-supplier links allows exploiting profitable trading opportunities.
本研究利用客户-供应商关系网络的复杂信息设置来测试卖空者是否关注企业新闻并在整个供应链中采取行动。我们利用客户的新闻公告回报与其供应商股票的异常卖空之间的联系来衡量揭示的卖空者注意力。结果表明,卖空者关注客户做空其供应商股票的消息,并且这种卖空行为随着客户和供应商的SEC Edgar备案搜索的强度而增强。在客户消息发布时卖空供应商股票预测了供应商未来的负股票收益,这表明卖空者在客户-供应商环节的复杂信息环境中的注意力允许利用有利可图的交易机会。
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引用次数: 4
Auto-Enrollment Retirement Plans for the People: Choices and Outcomes in OregonSaves 自动登记退休计划:俄勒冈州的选择和结果
J. Chalmers, O. Mitchell, J. Reuter, Mingli Zhong
Oregon recently launched an automatic-enrollment retirement savings program for private sector workers who lack access to other workplace retirement plans. We analyze participation choices, account balances, and inflow/outflow data using administrative records between August 2018 and April 2020. Within the small to mid-sized firms served by OregonSaves, estimated average after-tax earnings are low ($2,365 per month) and turnover rates are high (38.2% per year). We find that younger employees and employees in larger firms are less likely to opt out, but that participation rates fall over time. The most common reason given for opting out is “I can’t afford to save at this time,” but the second most common is “I have my own retirement plan.” At the end of April 2020, 67,731 accounts had positive account balances, holding $51.1 million in total assets. The average balance is $754, but there is considerable dispersion, with younger workers accumulating the fewest assets due to higher rates of job turnover. Overall, we conclude that OregonSaves has meaningfully increased employee savings by reducing search costs. The 34.3% of workers with positive account balances in April 2020 is comparable to the marginal increase in participation at larger firms in the private sector. Nevertheless, there are significant constraints to the savings that auto-enrollment savings plans can achieve when provided to workers in industries and firms with low wages, volatile wages, and high turnover. Our evidence suggests that employees who are opting out of OregonSaves are often doing so for rational reasons.
俄勒冈州最近推出了一项自动登记退休储蓄计划,面向那些没有其他工作场所退休计划的私营部门员工。我们使用2018年8月至2020年4月之间的行政记录分析了参与选择、账户余额和流入/流出数据。在oregonsavings服务的中小型公司中,估计平均税后收益很低(每月2365美元),流动率很高(每年38.2%)。我们发现,年轻员工和大公司的员工不太可能选择退出,但参与率随着时间的推移而下降。选择退出的最常见原因是“我现在存不起钱”,但第二常见的原因是“我有自己的退休计划”。截至2020年4月底,67,731个账户有正账户余额,总资产为5110万美元。平均余额为754美元,但存在相当大的差异,由于较高的工作流动率,年轻员工积累的资产最少。总的来说,我们得出结论,OregonSaves通过减少搜索成本,有意地增加了员工的储蓄。2020年4月,34.3%的工人账户余额为正,这与私营部门大公司的参与率的边际增长相当。然而,当提供给低工资、不稳定工资和高流动率的行业和公司的工人时,自动登记储蓄计划可以实现的储蓄有很大的限制。我们的证据表明,选择退出俄勒冈储蓄计划的员工通常是出于理性原因。
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引用次数: 10
The Effect of Credit Ratings on Disclosure: Evidence from the Recalibration of Moody’s Municipal Ratings 信用评级对信息披露的影响:来自穆迪市政评级重新校准的证据
Jacquelyn R. Gillette, Delphine Samuels, Frank S. Zhou
This paper examines how credit rating levels affect municipal debt issuers’ disclosure decisions. Using exogenous upgrades in credit rating levels caused by the recalibration of Moody's municipal ratings scale in 2010, we find that upgraded municipalities significantly reduce their disclosure of required continuing financial information, relative to unaffected municipalities. Consistent with a reduction in debtholders’ demand for information driving these results, the reduction in disclosure is greater when municipal bonds are held by investors who relied more on disclosure ex ante. However, we also find that the reduction in disclosure does not manifest when issuers are monitored by underwriters with greater issuer‐specific expertise and when issuers are subject to direct regulatory enforcement through the receipt of federal funding. Overall, our results suggest that higher credit rating levels lower investor demand for disclosure in the municipal market, and highlight the role of underwriters and direct regulatory enforcement in maintaining disclosure levels when investor demand is low.
本文考察了信用评级水平对市政债券发行人披露决策的影响。利用2010年穆迪市政评级规模重新校准导致的信用评级水平的外生升级,我们发现,相对于未受影响的城市,升级的城市显著减少了所需持续财务信息的披露。与债券持有人对推动这些结果的信息需求减少一致,当市政债券由更依赖事先披露的投资者持有时,披露的减少更大。然而,我们还发现,当发行人受到具有更多发行人特定专业知识的承销商的监督时,以及发行人通过接受联邦资金而受到直接监管执法时,披露的减少并不明显。总体而言,我们的研究结果表明,较高的信用评级水平降低了市政市场投资者对披露的需求,并强调了当投资者需求较低时,承销商和直接监管执法在维持披露水平方面的作用。
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引用次数: 2
Time Inconsistency and Financial Covenants 时间不一致性和金融契约
Haotian Xiang
Financial covenants influence firm behavior by state-contingently allocating decision rights. I develop a quantitative model with long-term debt where shareholders cannot commit to not dilute existing lenders with new debt issuances. Lenders intervene on covenant violations but cannot commit either to any debt restructuring plan ex ante. Counterfactual experiments suggest that financial covenants significantly reduce default probability and increase firm value. However, the value creation is limited by lenders’ limited commitment. A hump-shaped relation between covenant tightness and firm value emerges, reflecting a balance between limited commitment on two sides. This paper was accepted by Gustavo Manso, finance. Supplemental Material: The data files and online appendices are available at https://doi.org/10.1287/mnsc.2022.4667 .
金融契约通过国家或有分配的决策权影响企业行为。我开发了一个长期债务的定量模型,在这种模型中,股东不能承诺不通过发行新债来稀释现有贷款机构。贷款人对违约行为进行干预,但不能事先承诺任何债务重组计划。反事实实验表明,金融契约显著降低了违约概率,增加了企业价值。然而,价值的创造受到贷款人有限承诺的限制。契约严密性与企业价值之间出现了驼峰关系,反映了双方有限承诺之间的平衡。这篇论文被金融学的Gustavo Manso接受。补充材料:数据文件和在线附录可在https://doi.org/10.1287/mnsc.2022.4667上获得。
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引用次数: 7
On the Financing Benefits of Supply Chain Transparency and Blockchain Adoption 关于供应链透明度和区块链采用的融资效益
J. Chod, Nikolaos Trichakis, Gerry Tsoukalas, Henry Aspegren, M. Weber
We develop a theory that shows signaling a firm’s fundamental quality (e.g., its operational capabilities) to lenders through inventory transactions to be more efficient—it leads to less costly operational distortions—than signaling through loan requests, and we characterize how the efficiency gains depend on firm operational characteristics, such as operating costs, market size, and inventory salvage value. Signaling through inventory being only tenable when inventory transactions are verifiable at low enough cost, we then turn our attention to how this verifiability can be achieved in practice and argue that blockchain technology could enable it more efficiently than traditional monitoring mechanisms. To demonstrate, we develop b_verify, an open-source blockchain protocol that leverages Bitcoin to provide supply chain transparency at scale and in a cost-effective way. The paper identifies an important benefit of blockchain adoption—by opening a window of transparency into a firm’s supply chain, blockchain technology furnishes the ability to secure favorable financing terms at lower signaling costs. Furthermore, the analysis of the preferred signaling mode sheds light on what types of firms or supply chains would stand to benefit the most from this use of blockchain technology. This paper was accepted by Victor Martínez-de-Albéniz, operations management.
我们发展了一个理论,表明通过库存交易向贷款人传达公司的基本质量(例如,其运营能力)比通过贷款请求传递信息更有效——它导致成本更低的运营扭曲,我们描述了效率的提高如何依赖于公司的运营特征,如运营成本、市场规模和库存残值。只有当库存交易以足够低的成本可验证时,通过库存发出的信号才成立,然后我们将注意力转向如何在实践中实现这种可验证性,并认为区块链技术可以比传统的监控机制更有效地实现它。为了证明这一点,我们开发了b_verify,这是一个开源的区块链协议,利用比特币以经济有效的方式提供大规模的供应链透明度。本文确定了采用区块链的一个重要好处——通过打开公司供应链的透明窗口,区块链技术提供了以较低的信号成本获得有利融资条件的能力。此外,对首选信号模式的分析揭示了哪种类型的公司或供应链将从区块链技术的使用中受益最大。本文被运营管理维克多Martínez-de-Albéniz接受。
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引用次数: 281
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Comparative labor law journal : a publication of the U.S. National Branch of the International Society for Labor Law and Social Security [and] the Wharton School, and the Law School of the University of Pennsylvania
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