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Are you my mentor? A field experiment on gender, ethnicity, and political self starters 你是我的导师吗?一个关于性别,种族和政治上的主动者的实地实验
Pub Date : 2016-09-19 DOI: 10.2139/ssrn.2857402
Joshua L. Kalla, F. Rosenbluth, D. Teele
Do public officials respond unequally to requests for career advice? Through a correspondence experiment with 8,189 officials, we examine whether (hypothetical) male and female students who express interest in political careers receive differential responses from public officials. We report three striking findings. First, emails sent by female students were more likely to receive a response than those sent by male students, especially when the official was male. Second, the responses women received were as likely to be long, thoughtful, and contain an offer of help as those to men. Third, there were no partisan differences in responsiveness to male or female senders. Examining senders with Hispanic last names bolsters the results: Hispanic senders, especially men, were less likely to receive a quality response than non- Hispanic senders. Thus politicians may condition responsiveness and helpfulness on the ethnicity of constituents, but women who are self-starters in search of advice receive equal treatment.
公职人员对职业建议的回应是否不平等?通过与8189名官员的通信实验,我们检验了(假设的)表达对政治生涯感兴趣的男女学生是否会得到公职人员的不同回应。我们报告了三个惊人的发现。首先,女学生发送的电子邮件比男学生发送的电子邮件更容易收到回复,尤其是当官员是男性时。其次,女性收到的回复和男性收到的一样,可能都很长、很周到,并且包含了提供帮助的内容。第三,对男性或女性发送者的回应没有党派差异。对西班牙姓氏的寄件人的研究支持了这一结果:西班牙裔寄件人,尤其是男性,比非西班牙裔寄件人收到高质量回复的可能性要低。因此,政治家可能会以选民的种族为条件来回应和提供帮助,但主动寻求建议的女性会得到平等对待。
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引用次数: 5
Canadian Trade Policy in a G-Zero World: Preferential Negotiations as a Natural Experiment 零国集团世界中的加拿大贸易政策:作为自然实验的优惠谈判
Pub Date : 2016-09-15 DOI: 10.2139/SSRN.2839265
Robert Wolfe
Canada has an effective trade agreement with all of our significant trading partners in the WTO, but its rules are slow to adapt to the rapidly changing economic realities analyzed in other chapters in this volume. As trade negotiators experiment with alternatives in a G-zero world without a country or group of countries able to impose global order, I question two common suppositions: that less-than-fully multilateral agreements are easier to negotiate; and that such preferential negotiations can more readily achieve the new agreements necessary for twenty-first-century trade. I conclude that proliferating preferential agreements are a symptom of fragmented global order, but they are not necessarily a solution. With respect to the first supposition, negotiators are experimenting with agreements that vary on the topics covered, the number of participants engaged, the methods of negotiation and the legal relation of the results to the WTO. These negotiations will be hard to conclude, and harder to ratify. With respect to the second supposition, I also have low expectations for the substantive results of the current set of negotiations. Important aspects of the twenty-first-century trade policy agenda will not be covered, and significant traders such as China will be omitted. We cannot know the results of this natural experiment in negotiation modalities, but I suspect that the future will require renewed efforts to strengthen the WTO.
加拿大与我们在世贸组织中的所有重要贸易伙伴都签订了有效的贸易协定,但其规则在适应本卷其他章节分析的快速变化的经济现实方面进展缓慢。在一个没有一个国家或国家集团能够实施全球秩序的零国集团世界里,贸易谈判代表们正在尝试各种替代方案,我对两个常见的假设提出了质疑:不太全面的多边协议更容易谈判;这样的优惠谈判更容易达成21世纪贸易所必需的新协议。我的结论是,优惠协定的激增是全球秩序碎片化的一个症状,但它们不一定是解决方案。关于第一种假设,谈判者正在试验的协议在涉及的主题、参与的人数、谈判方法以及谈判结果与世贸组织的法律关系等方面各不相同。这些谈判将很难结束,也更难得到批准。关于第二种假设,我对目前这组谈判的实质性结果也不抱太大期望。21世纪贸易政策议程的重要方面将不会被涵盖,中国等重要贸易国将被省略。我们不知道这种谈判方式的自然实验的结果,但我怀疑,未来将需要重新努力加强世贸组织。
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引用次数: 1
Savings Defaults and Payment Delays for Cash Transfers: Field Experimental Evidence from Malawi 现金转移的储蓄违约和支付延迟:来自马拉维的实地实验证据
Pub Date : 2016-08-31 DOI: 10.1596/1813-9450-7807
Lasse Brune, X. Giné, Jessica Goldberg, Dean Yang
Financial products and transfer schemes are often designed to help individuals improve welfare by following through on intertemporal plans. This paper implements an artefactual field experiment in Malawi to test the ability of households to manage a cash windfall. This study varies whether 474 households receive a payment in cash or through direct deposit into pre-established accounts at a local bank. Payments are made immediately, with one day delay, or with eight days delay. Defaulting the payments into savings accounts leads to higher bank account balances, an effect that persists for several weeks. However, neither savings defaults nor payment delays affect the amount or composition of spending, suggesting that households manage cash effectively without the use of formal financial products.
金融产品和转移计划通常是为了通过执行跨期计划来帮助个人改善福利而设计的。本文在马拉维实施了一项人工实地实验,以测试家庭管理意外之财的能力。在这项研究中,474个家庭收到的是现金付款,还是直接存入当地银行预先设立的账户。付款可以立即支付,延迟一天或延迟八天。拖欠向储蓄账户支付的款项会导致银行账户余额增加,这种影响会持续数周。然而,储蓄违约和付款延迟都不会影响支出的数量或构成,这表明家庭在不使用正式金融产品的情况下有效地管理现金。
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引用次数: 44
Outcomes and Audience Costs in an Incentivized Laboratory Experiment 激励实验室实验的结果与受众成本
Pub Date : 2016-07-13 DOI: 10.2139/ssrn.2809200
Andrew W. Bausch
This paper presents a laboratory experiment examining how citizens' concern for their country's international reputation affects how they evaluate leaders. A large experimental literature has found that citizens are less supportive of leaders that escalate a crisis and then back down than leaders that never entered the crisis at all. These audience costs emerge despite the policy outcome being the same in both cases. Previous research suggests that citizens dislike inconsistency from a leader and worry about the country's international reputation. This paper argues that the reputation mechanism behind audience costs has not been adequately examined. Therefore, I present a bargaining game that can escalate to war. I then test this game under conditions when reputations can emerge and when they cannot in the context of a laboratory experiment. The results of the laboratory experiment show that audience costs do not emerge, even when reputational concerns are possible, and that citizens care more about the policy outcome than about the policy-making process. Thus, I connect the literature on retrospective voting with the literature on how citizens evaluate the foreign policy of leaders.
本文提出了一个实验室实验,研究公民对国家国际声誉的关注如何影响他们对领导人的评价。大量的实验文献发现,与那些根本没有进入危机的领导人相比,公民更不支持那些使危机升级然后退缩的领导人。尽管两种情况下的政策结果是相同的,但这些受众成本还是出现了。此前的研究表明,民众不喜欢领导人言行不一,担心国家的国际声誉。本文认为,观众成本背后的声誉机制尚未得到充分研究。因此,我提出了一个可以升级为战争的讨价还价游戏。然后,在实验室实验中,我在声誉可能出现和无法出现的情况下测试这个游戏。实验室实验的结果表明,即使可能考虑声誉问题,听众成本也不会出现,而且公民更关心政策结果,而不是政策制定过程。因此,我将回溯性投票的文献与公民如何评价领导人外交政策的文献联系起来。
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引用次数: 0
Mind, Behaviour and Health: A Randomised Experiment 心理、行为和健康:一项随机实验
Pub Date : 2016-07-07 DOI: 10.2139/ssrn.2803851
Yonas Alem, Hannah Behrendt, M. Belot, Anikó Bíró
Behavioural attitudes towards risk and time, as well as behavioural biases such as present bias, are thought to be important drivers of unhealthy lifestyle choices. This paper makes the first attempt to explore the possibility of training the mind to alter these attitudes and biases, and health-related behaviours in particular, using a randomized controlled experiment. The training technique we consider is a well-known psychological technique called "mindfulness", which is believed to improve self-control and reduce stress. We conduct the experiment with 139 participants, half of whom receive a four-week mindfulness training, while the other half are asked to watch a four-week series of historical documentaries. We evaluate the impact of our interventions on risk-taking and inter-temporal decisions, as well as on a range of measures of health-related behaviours. We find evidence that mindfulness training reduces perceived stress, but only weak evidence on its impact on behavioural traits and health-related behaviours. Our findings have significant implications for a new domain of research on training the mind to alter behavioural traits and biases that play important roles in lifestyle.
人们认为,对风险和时间的行为态度,以及当前偏见等行为偏见,是不健康生活方式选择的重要驱动因素。本文首次尝试通过随机对照实验,探索通过训练思维来改变这些态度和偏见,尤其是与健康相关的行为的可能性。我们考虑的训练技巧是一种众所周知的心理学技巧,叫做“正念”,它被认为可以提高自我控制能力,减少压力。我们对139名参与者进行了实验,其中一半接受为期四周的正念训练,另一半则被要求观看为期四周的历史纪录片。我们评估了我们的干预措施对冒险和跨期决策的影响,以及对一系列与健康有关的行为措施的影响。我们发现了正念训练可以减少感知压力的证据,但只有微弱的证据表明它对行为特征和健康相关行为的影响。我们的研究结果对一个新的研究领域具有重要意义,即通过训练大脑来改变在生活方式中扮演重要角色的行为特征和偏见。
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引用次数: 4
Network Effects in Field Experiments on Interactive Groups: Cases from Legislative Studies 互动群体现场实验中的网络效应:来自立法研究的案例
Pub Date : 2016-06-21 DOI: 10.2139/ssrn.2799074
S. Phadke, B. Desmarais
Most social processes involve complex interaction among units through some form of social, communication, or collaboration network. The stable unit treatment value assumption (SUTVA) — the assumption that a unit’s outcome is unaffected by other units’ treatment statuses — is required in conventional approaches to causal inference. When SUTVA is violated, as in networked social interaction, treatment effects spread to control units through the network structure. We evaluate the evidence for spillover effects in data from three field experiments on US state legislatures. Randomized field experiments represent the gold standard in causal inference when studying political elites. It is rarely possible to bring political elites into a controlled laboratory environment, and causal identification with observational data is fraught with problems. We review recently-developed methods for testing for causal effects — including interference effects — while relaxing SUTVA. We propose new specifications for treatment spillover models, and construct networks through geographical or ideological proximity and co-sponsorship. Considering different combinations of spillover models and networks, we evaluate the robustness of recently developed non-parametric tests for interference. The approaches we illustrate can be applied to any experimental setting in which interference is suspected.
大多数社会过程涉及单位之间通过某种形式的社会、沟通或协作网络的复杂互动。传统的因果推理方法需要稳定的单位治疗值假设(SUTVA)——假设一个单位的结果不受其他单位的治疗状态的影响。当违反SUTVA时,如在网络社会互动中,治疗效果通过网络结构传播到控制单位。我们从美国州立法机构的三个实地实验数据中评估了溢出效应的证据。在研究政治精英时,随机场实验代表了因果推理的黄金标准。把政治精英带到受控的实验室环境中几乎是不可能的,用观测数据进行因果关系鉴定也充满了问题。我们回顾了最近开发的测试因果效应的方法,包括干扰效应,同时放松SUTVA。我们提出了治疗溢出模型的新规范,并通过地理或意识形态接近和共同赞助构建网络。考虑到溢出模型和网络的不同组合,我们评估了最近开发的非参数干扰检验的鲁棒性。我们所说明的方法可以应用于任何有干扰嫌疑的实验环境。
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引用次数: 0
Attention Discrimination: Theory and Field Experiments with Monitoring Information Acquisition 注意辨别:监测信息获取的理论与现场实验
Pub Date : 2016-06-01 DOI: 10.1257/AER.20140571
Vojtěch Bartoš, Michal Bauer, Julie Chytilová, Filip Matějka
We link two important ideas: attention is scarce and lack of information about an individual drives discrimination in selection decisions. Our model of allocation of costly attention implies that applicants from negatively stereotyped groups face "attention discrimination": less attention in highly selective cherry-picking markets, where more attention helps applicants, and more attention in lemon-dropping markets, where it harms them. To test the prediction, we integrate tools to monitor information acquisition into correspondence field experiments. In both countries we study we find that unfavorable signals, minority names, or unemployment, systematically reduce employers' efforts to inspect resumes. Also consistent with the model, in the rental housing market, which is much less selective than labor markets, we find landlords acquire more information about minority relative to majority applicants. We discuss implications of endogenous attention for magnitude and persistence of discrimination in selection decisions, returns to human capital and, potentially, for policy.
我们将两个重要的观点联系在一起:注意力是稀缺的,关于个体的信息缺乏会导致选择决策中的歧视。我们的昂贵注意力分配模型表明,来自负面刻板印象群体的申请人面临“注意力歧视”:在高度选择性的樱桃采摘市场中,关注较少,在那里更多的关注有助于申请人,在柠檬掉落市场中,关注较多,在那里伤害他们。为了验证预测,我们将监控信息采集的工具集成到对应的现场实验中。在我们研究的两个国家中,我们发现不利的信号,少数民族的名字,或者失业,系统地减少了雇主检查简历的努力。同样与模型一致的是,在比劳动力市场选择性低得多的租赁住房市场,我们发现相对于多数申请人,房东获得了更多关于少数族裔申请人的信息。我们讨论了内生注意力对选择决策中歧视的程度和持久性的影响,对人力资本的回报,以及对政策的潜在影响。
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引用次数: 236
Do Individuals Put Effort into Lying? Evidence from a Compliance Experiment 人们会努力撒谎吗?依从性实验证据
Pub Date : 2016-03-10 DOI: 10.2139/ssrn.2764121
Nadja Dwenger, Tim Lohse
We study whether individuals in a face-to-face situation can successfully exert some lying effort to delude others. We exploit data from a laboratory experiment in which participants were asked to assess videotaped statements as being rather truthful or untruthful. The statements are face-to-face tax declarations. The video clips feature each subject twice making the same declaration. But one time the subject is reporting truthfully, the other time willingly untruthfully. This allows us to investigate within-subject differences in trustworthiness. We find that a subject is perceived as more trustworthy if she deceives than if she reports truthfully. It is particularly individuals with dishonest appearance who manage to increase their perceived trustworthiness by up to 15 percent. This is evidence of individuals successfully exerting lying effort.
我们研究在面对面的情况下,个人是否能够成功地施加一些谎言的努力来欺骗他人。我们利用了一个实验室实验的数据,在这个实验中,参与者被要求评估录像中的陈述是真实的还是不真实的。报表是面对面的纳税申报。在视频片段中,每个主题都做了两次相同的声明。但一次受试者是如实报告,另一次是自愿不如实报告。这使我们能够调查主体内部可信度的差异。我们发现,如果一个被试撒谎,人们会觉得她比如实报告更值得信赖。尤其是那些外表不诚实的人,他们的可信度可以提高15%。这是个体成功地施加谎言努力的证据。
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引用次数: 1
Social Influence Bias in Online Ratings: A Field Experiment 网络评分中的社会影响偏差:一个现场实验
Pub Date : 2016-02-18 DOI: 10.2139/ssrn.2737992
Simona Cicognani, Paolo Figini, Marco Magnani
The aim of this paper is to study the empirical phenomenon of rating bubbles, i.e. clustering on extremely positive values in e-commerce platforms and rating web sites. By means of a field experiment that exogenously manipulates prior ratings for a hotel in an important Italian tourism destination, we investigate whether consumers are influenced by prior ratings when evaluating their stay (i.e., social influence bias). Results show that positive social influence exists, and that herd behavior is asymmetric: information on prior positive ratings has a stronger influence on consumers’ rating attitude than information on prior mediocre ratings. Furthermore, we are able to exclude any brag-or-moan effect: the behavior of frequent reviewers, on average, is not statistically different from the behavior of consumers who have never posted ratings online. Yet, non-reviewers exhibit a higher influence to excellent prior ratings, thus lending support to the social influence bias interpretation. Finally, also repeat customers are affected by prior ratings, although to a lesser extent with respect to new customers.
本文的目的是研究评级泡沫的实证现象,即电子商务平台和评级网站的极正值聚类。通过外生操纵意大利重要旅游目的地酒店的先前评级的现场实验,我们调查了消费者在评估他们的住宿时是否受到先前评级的影响(即社会影响偏见)。结果表明,积极的社会影响是存在的,且从众行为是不对称的:先前正面评价信息对消费者评价态度的影响大于先前平庸评价信息对消费者评价态度的影响。此外,我们能够排除任何自夸或抱怨的影响:平均而言,频繁评论者的行为与从未在网上发布评级的消费者的行为在统计上没有什么不同。然而,非评论者对优秀的先前评分表现出更高的影响,从而为社会影响偏见解释提供支持。最后,回头客也受到先前评级的影响,尽管对新客户的影响程度较小。
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引用次数: 5
Discrimination à lʼembauche des candidates dʼorigine maghrébine dans la région de la Capitale-Nationale (Hiring Discrimination towards North-African Women in Quebec's National Capital Region) lʼ招聘歧视妇女候选人dʼCapitale-Nationale马格里布地区的起源(雇用歧视迈向欧洲North-African Women in Quebec’s National Capital Region)
Pub Date : 2016-01-01 DOI: 10.2139/ssrn.3149035
Simon Brière, B. Fortin, G. Lacroix
French Abstract: Pour des CV semblables en tout point, Samira Benounis recevra-t-elle moins dʼinvitations à un entretien dʼembauche que Valérie Tremblay dans la région de la Capitale-Nationale (Québec, Canada) ? Cet article tente de répondre à cette question à partir dʼune expérience utilisant la méthode de testing par envoi de CV. Nos résultats montrent que, toutes choses égales par ailleurs, la probabilité dʼêtre invitée à un entretien dʼembauche diminue de 11 % lorsque la candidate a un nom dʼorigine maghrébine plutôt que québécoise. Ce constat suggère la présence dʼune discrimination à lʼembauche des candidates dʼorigine maghrébine dans la région de la Capitale-Nationale. English Abstract: For identical resumes, will Samira Benounis receive fewer invitations to a job interview than Valérie Tremblay in the Capitale-Nationale region (Quebec, Canada)? This article attempts to answer this question from using a CV testing methodology. Our results show that, all other things being equal, the probability of being invited to an interview is reduced by 11% when the candidate has a typical Maghreb-like name rather than a French-Canadian one. This finding suggests the presence of discrimination in the hiring of Maghrebin women in the Capitale-Nationale region.
French)摘要:为相似的简历上的每个点,Samira Benounis recevra-t-elle少ʼd dʼ招聘面试邀请,valerie Tremblay Capitale-Nationale》(加拿大魁北克地区)?本文试图回答这个问题起dʼ使用体验测试方法由发送简历。我们的结果表明,在其他条件相同的情况下,所有的概率d dʼʼ被邀请面试,招聘时的11%下降到候选人有名字dʼ北非血统而不是在魁北克。这表明存在dʼl dʼ征聘的候选人有歧视ʼCapitale-Nationale马格里布地区的渊源。英语摘要:对于相同的摘要,Samira Benounis会比valerie Tremblay在首都国家地区(魁北克,加拿大)收到更少的面试邀请吗?本文试图用CV测试方法来回答这个问题。自在Our results show that all other things, invited to an equal,使用概率”这样的表达,采访is by 11% when the has a典型候选Maghreb-like名称而不是a French-Canadian one。这一发现表明,在首都国家区域,马格里布妇女在征聘方面存在歧视。
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引用次数: 0
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Political Methods: Experiments & Experimental Design eJournal
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