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Whether to insure against the weather: demand for extreme weather insurance in developing and developed country contexts

机译:是否要抵御天气:在发展中国家和发达国家的背景下对极端天气保险的需求

摘要

Many households in developing and developed countries will face increased extreme weather events due to climate change. Insurance could be a key coping strategy against the associated impacts of extreme weather. There is value in better understanding the characteristics that make insurance an appropriate means of coping for some sub-groups over others. The framework for household decisions to insure used in this research focuses on four factors: 1. economic, 2. social and cultural, 3. structural, and 4. personal and demographic.udThis thesis considers two case studies: agricultural index-based microinsurance in rural Uganda and home flood insurance in the USA It seeks to understand intended demand and the related drivers for insurance in these settings through the use of large-N surveys, field games, and on-line simulations. The rural Ugandan survey tool was implemented using innovative smart-phone technology and yielded 3000+ observations of expressed willingness-to-join (WTJ) and willingness-to-pay (WTP) for agricultural microinsurance. This tool also obtained information concerning propensity to engage with alternative coping strategies, both formal and informal. It also obtained household indicators of the factor classesnoted above.udA separate field game in Uganda investigated attitudes towards basis risk arising from index insurance using a novel, iterative game involving farmers allocating their wealth between insurance and crop production. The game is played in partner sets to gauge the relative influence of others’ decisions and outcomes on one’s choice to insure.udThe USA study compares propensity to purchase flood insurance between those affected and unaffected by Hurricane Sandy in the same geographic areas. We obtained 800 observations from an online survey tool, combining survey questions and a flood insurance purchase simulation. In the simulation we include as a treatment a more extensive (graphical) presentation of expected losses to assess the effect oninsurance uptake rates.udIn the Ugandan case, WTJ is over 95% and the average WTP is moderate relative to household wealth. For our sample there is evidence that microinsurance and loans are substitutes and the most frequently chosen traditional coping strategy is selling cattle. In the American study, respondents insure in just over 50% of the presented simulations and over 60% have a positive stated WTJ. Notably, there is little insurance demand difference between cohorts affected and unaffected by Hurricane Sandy. In both studies, a significant proportion of respondents with disparate personal characteristics chose to always or never insure, regardless of the details of the simulation scenarios, though WTJ varies positively with expected losses; this behaviour may be related to affect from the feeling of insurance.udIn the Ugandan study, occurrence of basis risk reduces WTJ in the following period and respondents clearly are affected by the choices made by their partners. In the American study, insurance adoption is greater for the cohort exposed to the more extensive (graphical) presentation of expected losses. In both cases we find that of the four factor classes social and cultural as well as structural factors are frequently significant in regression models for intended insurance demand.udAs weather-related covariate risks increase in the future, households need coping mechanisms that are culturally viable and conform to individuals’ preferences. This thesis demonstrates methods by which to determine intended demand for extreme weather insurance in the developing and developed country contexts. Such information can inform the development of insurance tools consistent with consumer preferences and help identify households that may be the best candidates for use of insurance.
机译:由于气候变化,发展中国家和发达国家的许多家庭将面临更多的极端天气事件。保险可能是应对极端天气相关影响的关键应对策略。更好地理解使保险成为应对某些子群体而不是其他子群体的适当手段的特征具有价值。本研究中使用的家庭决策保障框架着重于四个因素:1.经济因素; 2.社会和文化因素; 3.结构因素; 4.个人和人口统计因素。 ud本文考虑了两个案例研究:基于农业指数的小额保险它试图通过使用大型N调查,现场游戏和在线模拟来了解这些环境中的预期需求以及相关的保险驱动因素。乌干达农村调查工具是使用创新的智能电话技术实施的,对农业小额保险的表达意愿(加入意愿(WTJ)和支付意愿(WTP))进行了3000多次观察。该工具还获得了有关倾向于采用正式和非正式应对策略的信息。乌干达的一个单独的实地博弈研究了一种新颖的迭代博弈,涉及由农民在保险和农作物生产之间分配财富的新型迭代博弈。该游戏以合作伙伴的形式进行,以评估其他人的决定和结果对他人选择保险的相对影响。 ud美国研究比较了在相同地理区域受飓风桑迪影响与未受影响的人之间购买洪水保险的倾向。我们结合了调查问题和洪水保险购买模拟,从在线调查工具中获得了800个观测值。在模拟中,我们将预期损失的更广泛的(图形形式)表示法包括在内,以评估对保险承保率的影响。 ud在乌干达案例中,WTJ超过95%,平均WTP相对于家庭财富而言是中等的。对于我们的样本,有证据表明小额保险和贷款是替代品,而最常用的传统应对策略是卖牛。在美国的研究中,被调查者确保所提出的模拟中刚好超过50%,WTJ的肯定性超过60%。值得注意的是,受飓风桑迪影响的人群和不受飓风桑迪影响的人群之间的保险需求差异很小。在这两项研究中,尽管模拟案例的详细情况与预期损失呈正相关,但无论模拟方案的详细情况如何,都有很大比例的具有不同个人特征的受访者选择始终或永远不投保。 ud在乌干达研究中,基础风险的发生降低了随后时期的WTJ,并且受访者显然受到其合作伙伴所做选择的影响。在美国的研究中,对于预期损失更为广泛(图形化)的同类人群,保险采用率更高。在这两种情况下,我们都发现在预期保险需求的回归模型中,社会,文化以及结构性因素这四个因素类别通常很重要。 ud由于天气相关的协变量风险将来会增加,家庭需要在文化上可行的应对机制并符合个人的喜好。本文演示了确定发展中国家和发达国家环境下对极端天气保险的预期需求的方法。此类信息可为开发符合消费者偏好的保险工具提供信息,并有助于确定可能是使用保险的最佳人选的家庭。

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    Helgeson Jennifer;

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