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‘Update Bias’: Manipulating past information based on the existing circumstances 更新偏差":根据现有情况操纵过去的信息
IF 1.6 3区 经济学 Q2 ECONOMICS Pub Date : 2024-10-26 DOI: 10.1016/j.socec.2024.102306
Hamza Umer , Takashi Kurosaki
Many panel surveys elicit information about past events multiple times. It is, however, unclear whether respondents manipulate their past information and update it according to their current circumstances in the later rounds of the panel. We term such a systematic bias in reporting past information as “update bias” in this study. We systematically test the presence of update bias in panel data by comparing teenage religiosity obtained from adults first in 2019 and later in 2022 in the Netherlands. Respondents who become more (less) religious in 2022 than 2019 are likelier to report a higher (lower) teenage religiosity in 2022. Even when we use data with a narrower gap (2019 and 2020 survey waves), we still obtain similar results. Overall, the analysis provides strong evidence for update bias. We suggest that the theory of cognitive dissonance best explains our findings; individuals manipulate their teenage religiosity to minimize dissonance between the past and current religious state and to obtain a higher satisfaction. Unlike predominant existing literature that argues people modify their current beliefs according to previous anchors, we provide contrary evidence where people manipulate their past beliefs following their current circumstances.
许多小组调查都会多次获取有关过去事件的信息。然而,目前还不清楚受访者是否会在后面几轮小组调查中根据当前情况对其过去的信息进行处理和更新。在本研究中,我们将这种报告过去信息的系统性偏差称为 "更新偏差"。我们通过比较先于 2019 年和后于 2022 年从荷兰成年人那里获得的青少年宗教信仰情况,系统地检验了面板数据中是否存在更新偏差。与 2019 年相比,在 2022 年变得更虔诚(更不虔诚)的受访者更有可能在 2022 年报告更虔诚(更不虔诚)的青少年。即使我们使用差距较小的数据(2019 年和 2020 年的调查波次),也能得到类似的结果。总之,分析提供了更新偏差的有力证据。我们认为,认知失调理论最能解释我们的研究结果;个人操纵其青少年宗教信仰,以尽量减少过去与当前宗教状态之间的失调,并获得更高的满意度。现有文献普遍认为,人们会根据以前的锚点来修改当前的信仰,与此不同的是,我们提供了相反的证据,即人们会根据当前的情况来操纵他们过去的信仰。
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引用次数: 0
Promoting menstrual health management among women and girls in Mehe (Cameroon) through a pilot testing project: A quasi-experimental study 通过试点测试项目促进梅赫(喀麦隆)妇女和女孩的月经健康管理:准实验研究
IF 1.6 3区 经济学 Q2 ECONOMICS Pub Date : 2024-10-23 DOI: 10.1016/j.socec.2024.102302
Fabrice Nguegang, Fuein Vera Kum

Background

The Far North region in Cameroon has the highest rate of poverty in the country. In this region, the natural process of menstruation is a taboo. Knowledge, attitudes and practices about menstruation and menstrual hygiene among adolescent girls is inadequate. This paper investigated the effectiveness of a pilot health promotion project on improving knowledge, attitudes and practices of menstrual hygiene among women and girls in Mehe located in, Meme discrit, Mayo Sava division (Far North region of Cameroon).

Methods

A quasi-experimental study was conducted to evaluate the impact of the health intervention program through a pilot testing project launched in May 2021. A sample of 350 Girls and women from 14 villages in Mehe was made on a random basic. Essentially soft intervention was implemented through a pilot project to bring change within the community. Assessment conducted in May 2022, comprised Key Informal Interview, Focus Group Discussions and a self-administered questionnaire measuring demographic characteristics, knowledge (K), attitudes (A), and practices (P). This KAP survey was administered before and after to investigate the main intervention outcomes. To check the consistency of the findings, a pre-post comparison is conducted using the asymptotic McNemar test for binary matched-pairs data.

Results

The paper shows that the girls and women of Mehe suffer from poor menstrual hygiene, originating from lack of knowledge and taboos that worsening gender equality. Thanks to the project, they have improved their menstrual health management and gender inequality have been reduced. This study confirms that a soft intervention through a menstrual health education pilot testing project can promote can improved menstrual health management.
背景喀麦隆的极北地区是该国贫困率最高的地区。在该地区,月经这一自然过程是一种禁忌。少女们对月经和经期卫生的认识、态度和做法都不够充分。本文调查了位于梅奥-萨瓦省(喀麦隆远北地区)梅姆-迪斯里特的梅赫(Mehe)地区妇女和女孩对改善月经卫生知识、态度和做法的健康促进试点项目的效果。方法 通过 2021 年 5 月启动的试点测试项目,开展了一项准实验研究,以评估健康干预项目的影响。研究人员随机抽取了梅赫 14 个村庄的 350 名女孩和妇女作为样本。从本质上讲,软干预是通过试点项目实施的,目的是在社区内带来变化。2022 年 5 月进行的评估包括关键非正式访谈、焦点小组讨论和一份自填式调查问卷,调查内容包括人口特征、知识(K)、态度(A)和做法(P)。该 KAP 调查在调查前后进行,以调查主要的干预成果。为了检验调查结果的一致性,使用二元配对数据的渐近 McNemar 检验法进行了前后比较。由于实施了该项目,她们的经期卫生管理得到了改善,性别不平等现象也有所减少。这项研究证实,通过月经卫生教育试点测试项目进行软干预,可以促进改善月经卫生管理。
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引用次数: 0
Adding nudge-based reminders to financial incentives for promoting antibody testing and vaccination to prevent the spread of rubella 在促进抗体检测和疫苗接种的经济激励措施中添加基于劝告的提醒措施,以预防风疹的传播
IF 1.6 3区 经济学 Q2 ECONOMICS Pub Date : 2024-10-22 DOI: 10.1016/j.socec.2024.102300
Hiroki Kato , Shusaku Sasaki , Fumio Ohtake
We study the effects of combining financial incentives with nudges to promote antibody testing and vaccination to prevent the spread of rubella. In 2019, the Japanese government began providing vouchers for free antibody testing and vaccination to men aged 40–57 years. Vouchers were automatically mailed to 40–46-year-old men in 2019. Those aged 47–57 would receive vouchers after April 2020, while they could obtain vouchers for undertaking antibody testing and being vaccinated in 2019 by applying. Focusing on this policy distinction, we conducted an online field experiment with Japanese 40–57-year-old men in February and March 2020. We randomly provided six nudge-based reminder messages recommending antibody testing and vaccination and tracked self-reported behavior until March of 2020. One nudge-based reminder with an altruistic message on fetal harm through infection from men to pregnant women significantly promoted antibody testing among the 40–46-year-old men who had already received vouchers as a financial incentive. This message could also encourage their vaccinations. In contrast, any nudge-based reminder had no promoting effect for the 47–57-year-old men who must apply for vouchers.
我们研究了将经济激励与诱导相结合,促进抗体检测和疫苗接种以预防风疹传播的效果。2019 年,日本政府开始向 40-57 岁的男性提供免费抗体检测和疫苗接种券。代金券在 2019 年自动邮寄给 40-46 岁的男性。47-57 岁的人将在 2020 年 4 月后收到代金券,而他们可以在 2019 年通过申请获得进行抗体检测和接种的代金券。针对这一政策区别,我们在 2020 年 2 月和 3 月对 40-57 岁的日本男性进行了在线实地实验。我们随机提供了六条基于劝告的提醒信息,建议进行抗体检测和疫苗接种,并跟踪自我报告行为,直至 2020 年 3 月。其中一条基于劝导的提醒信息带有利他主义色彩,告诉人们男性传染给孕妇会对胎儿造成危害,这极大地促进了已获得代金券作为经济激励的 40-46 岁男性进行抗体检测。这一信息还可以鼓励他们接种疫苗。相比之下,对于必须申请代金券的 47-57 岁男性来说,任何基于暗示的提醒都没有促进作用。
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引用次数: 0
Early childhood discrimination: A comparison of countries 幼儿歧视:各国情况比较
IF 1.6 3区 经济学 Q2 ECONOMICS Pub Date : 2024-10-19 DOI: 10.1016/j.socec.2024.102301
Silvia Angerer , Tatyana Zhuravleva
The study investigates taste-based discrimination in early childhood in two distinct experimental conditions, gender and preschool class and two countries, Russia and Uzbekistan, using a framed field experiment with more than 500 preschool children aged three to seven years. We extend on previous findings from Western countries by studying two non-Western countries to examine generalizable behavioral traits regarding taste-based discrimination across countries. The results show that out-group discrimination is prevalent in both experimental conditions and in both countries. However, the degree of discrimination and its determinants differ between countries and experimental conditions. The results suggest that discrimination is a generalizable human trait which is shaped by the environment.
本研究通过对 500 多名 3 至 7 岁的学龄前儿童进行现场实验,在性别和学龄前班级这两种不同的实验条件下,以及在俄罗斯和乌兹别克斯坦这两个国家,对幼儿期的味觉辨别进行了调查。我们通过对两个非西方国家的研究,扩展了之前在西方国家的研究成果,从而考察了基于口味的歧视在不同国家的可推广行为特征。研究结果表明,在两种实验条件下,两个国家的儿童都普遍存在群体外歧视。然而,不同国家和不同实验条件下的歧视程度及其决定因素各不相同。结果表明,歧视是一种受环境影响的可普遍化的人类特质。
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引用次数: 0
The impact of social status on the formation of collaborative ties and effort provision: An experimental study 社会地位对合作关系的形成和努力提供的影响:一项实验研究
IF 1.6 3区 经济学 Q2 ECONOMICS Pub Date : 2024-10-09 DOI: 10.1016/j.socec.2024.102298
Gergely Horváth , Mofei Jia
We study whether competition for social status induces higher effort provision and efficiency when individuals collaborate with their network neighbors. We consider a laboratory experiment in which individuals choose a costly collaborative effort and their network neighbors. They benefit from their neighbors’ effort and effort choices of direct neighbors are strategic complements. We introduce two types of social status in a 2 × 2 factorial design: (1) individuals receive monetary benefits for incoming links representing popularity; (2) they receive feedback on their relative payoff ranking within the group. We find that link benefits induce higher effort provision and strengthen the collaborative ties relative to the Baseline treatment without social status. In contrast, the ranking information induces lower effort as individuals start competing for higher ranking. Overall, we find that social status has no significant impact on the number of links in the network and the efficiency of collaboration in the group.
我们研究了当个体与其网络邻居合作时,社会地位竞争是否会诱发更高的努力供给和效率。我们考虑了一个实验室实验,在这个实验中,个体选择了一种代价高昂的合作努力及其网络邻居。他们从邻居的努力中获益,而直接邻居的努力选择是战略互补。我们在一个 2 × 2 的因子设计中引入了两种社会地位:(1)个人从代表知名度的传入链接中获得金钱收益;(2)个人从其在群体中的相对报酬排名中获得反馈。我们发现,相对于没有社会地位的 "基线 "处理,链接收益会诱发更多的努力,并加强合作关系。与此相反,由于个体开始竞争更高的排名,排名信息会降低个体的努力程度。总体而言,我们发现社会地位对网络中的链接数量和群体协作效率没有显著影响。
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引用次数: 0
Gendered demand for environmental health technologies: Evidence of complementarities from stove auctions in India 环境健康技术的性别需求:印度炉灶拍卖的互补性证据
IF 1.6 3区 经济学 Q2 ECONOMICS Pub Date : 2024-10-09 DOI: 10.1016/j.socec.2024.102295
P.P. Krishnapriya , Marc Jeuland , Jennifer Orgill-Meyer , Subhrendu K. Pattanayak
We study if prior exposure to one environmental health technology – improved sanitation – complements or substitutes for additional household investments in another such technology — an electric induction cookstove. We conducted a cookstove demand revealing auction ten years after a random half of our sample had been exposed to an intensive sanitation promotion campaign in rural India. We observe that demand for induction cookstoves among men seems to be affected by information they obtain following the sanitation intervention, whereas preferences and demand among women, who likely have more at stake, are unchanged. This points to the importance of understanding interactions between gender, information, knowledge, and preferences for technology, and decision-making power over adoption of the solutions needed to achieve environmental health targets.
我们研究了先前接触过的一种环境卫生技术--改善的卫生条件--是否能补充或替代家庭对另一种此类技术--电磁炉的额外投资。我们在印度农村随机抽取了一半的样本,在他们接触到密集的卫生推广活动十年后,进行了炉灶需求揭示拍卖。我们观察到,男性对电磁炉的需求似乎会受到他们在卫生干预措施后获得的信息的影响,而女性的偏好和需求则保持不变,因为她们可能有更多的利害关系。这表明,了解性别、信息、知识、对技术的偏好以及采用实现环境健康目标所需的解决方案的决策权之间的相互作用非常重要。
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引用次数: 0
The Ambiguity Box: A new tool to generate ambiguity in the lab 模糊箱:在实验室产生歧义的新工具
IF 1.6 3区 经济学 Q2 ECONOMICS Pub Date : 2024-10-09 DOI: 10.1016/j.socec.2024.102299
Andrea Morone , Rocco Caferra
The Ambiguity Box is a software tool that visualizes uncertainty in laboratory experiments. It is a dynamic frame composed of squares that randomly change colours, creating an uncertain and ambiguous environment. This encourages participants to infer the probabilities of each colour. The tool contributes to the economic literature by introducing a new layer of uncertainty, overcoming limitations of traditional tools like the Bingo Blower. The Ambiguity Box is more practical as it is software-based and can be used with any electronic device. It is flexible, allowing experimenters to predetermine the number of squares of each colour, making it adaptable to various experimental designs. It is easily scalable, suitable for use in different contexts, and allows for the exploration of decision-making under ambiguity in diverse settings, dealing also with extremely low probabilities.
模糊框是一种软件工具,可将实验室实验中的不确定性可视化。它是一个动态框架,由随机变换颜色的方块组成,营造出一种不确定和模糊的环境。这鼓励参与者推断每种颜色的概率。该工具克服了宾果吹风机等传统工具的局限性,引入了一层新的不确定性,为经济学文献做出了贡献。模糊箱更加实用,因为它是基于软件的,可以在任何电子设备上使用。它非常灵活,允许实验者预先确定每种颜色的方格数,因此可以适应各种实验设计。它易于扩展,适合在不同的环境中使用,可以在不同的环境中探索模糊条件下的决策,也可以处理极低的概率。
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引用次数: 0
Festival games: Inebriated and sober altruists 节日游戏:醉酒和清醒的利他主义者
IF 1.6 3区 经济学 Q2 ECONOMICS Pub Date : 2024-10-04 DOI: 10.1016/j.socec.2024.102296
Giuseppe Attanasi , James C. Cox , Vjollca Sadiraj
We report a staged field experiment during three concerts in the South of Italy characterized by the same traditional music and a comparable average level of alcohol consumption by attendees. Individual blood alcohol concentration is measured with electronic breathalyzers. The experimental games are payoff-equivalent private property and common property trust games. We find that alcohol consumption is associated with less sharing in the private property game and lower efficiency in the common property game. There is a game-form effect for sober participants who share less in the common property game than in the private property game. This finding is consistent with revealed altruism theory as more sharing reveals more altruistic behavior. The absence of such game-form effect among non-sober participants is consistent with alcohol myopia. Tourists share more than local residents, significantly so for sober participants. The private property game elicits more efficiency than the common property game. This game-form effect is robust across sober and non-sober participants.
我们报告了在意大利南部举行的三场音乐会上进行的现场实验,音乐会的特点是采用相同的传统音乐,参加者的平均饮酒量相当。个人血液中的酒精浓度是通过电子酒精测试仪测量的。实验游戏是报酬对等的私有财产和共同财产信任游戏。我们发现,在私有财产博弈中,酒精消费与较少的分享有关,而在共同财产博弈中,酒精消费与较低的效率有关。清醒的参与者在公共财产博弈中的分享少于在私人财产博弈中的分享,存在博弈形式效应。这一发现与揭示利他主义理论一致,因为更多的分享会揭示更多的利他行为。而非清醒参与者则没有这种博弈形式效应,这与酒精近视是一致的。游客比当地居民分享得更多,对清醒的参与者来说更是如此。私有财产博弈比共有财产博弈更能提高效率。这种博弈形式效应在清醒和非清醒参与者中都是稳健的。
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引用次数: 0
Causal effects of information friction on willingness to pay for hurricane-resistant buildings 信息摩擦对抗击飓风建筑物支付意愿的因果效应
IF 1.6 3区 经济学 Q2 ECONOMICS Pub Date : 2024-10-01 DOI: 10.1016/j.socec.2024.102297
Sebastain N. Awondo, Lawrence S. Powell
We investigate the causal effects of information provision on willingness to pay (WTP) for precautionary building standards. In a randomized stated preference field experiment, we present video evidence that hurricane-resistant building standards outperform traditional building standards to a random sample of homeowners. Our analysis reveals evidence consistent with causal effects of video information on WTP for hurricane-resistant buildings. Overall, alleviating performance information friction increases WTP by $634 on average and three times more among risk-neutral homeowners if the WTP payment card range is not truncated.
我们研究了信息提供对预防性建筑标准支付意愿(WTP)的因果效应。在随机陈述偏好现场实验中,我们向随机抽样的房主展示了抗飓风建筑标准优于传统建筑标准的视频证据。我们的分析表明,视频信息对抗飓风建筑的 WTP 产生了因果效应。总体而言,如果不截断 WTP 支付卡的范围,减轻性能信息的摩擦会使 WTP 平均增加 634 美元,在风险中性的房主中增加了三倍。
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引用次数: 0
IF 1.6 3区 经济学 Q2 ECONOMICS Pub Date : 2024-09-24 DOI: 10.1016/j.socec.2024.102294
Egor Bronnikov
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引用次数: 0
期刊
Journal of Behavioral and Experimental Economics
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