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The overcrowding of Zion National Park: is it a pricing problem? 锡安国家公园过度拥挤:是价格问题吗?
IF 2.6 Q2 Economics, Econometrics and Finance Pub Date : 2021-12-16 DOI: 10.1080/21606544.2021.2012837
Kelsi G. Hobbs, A. Link, C. Swann
ABSTRACT In 2017, The New York Times sounded the alarm that ‘the number of [U.S. national] park visitors have reached an unprecedented level, leaving many tourists frustrated and many environmentalists concerned about the toll of overcrowding.’ We address herein the overcrowding issue at Zion National Park in an effort to provide empirical context for upcoming Congressional consideration of entrance fees at national parks under the Federal Lands Recreation Enhancement Act. Zion is the fourth largest of the 63 U.S. national parks encompassing 148 thousand acres and welcoming 4.5 million recreation visits in 2019. We determine from U.S. National Park Service data that severe overcrowding occurs during the summer months of June, July, and August. One way to possibly reduce overcrowding is to increase the price. We estimate that if the entrance fee to Zion was increased from $35.00 per vehicle to $70.00 per vehicle during those months, the number of recreation visits would decrease by more than 18 percent and would result in an acceptable number of recreation visits defined to be what is experienced in May.
摘要2017年,《纽约时报》敲响了警钟:“美国国家公园的游客数量达到了前所未有的水平,这让许多游客感到沮丧,也让许多环保主义者担心过度拥挤造成的损失。”我们在这里讨论了锡安国家公园的过度拥挤问题,试图为即将到来的国会根据《联邦土地娱乐增强法案》审议国家公园的入场费提供经验背景。锡安是美国63个国家公园中的第四大公园,占地14.8万英亩,2019年接待了450万人次的娱乐游客。我们根据美国国家公园管理局的数据确定,6月、7月和8月的夏季会出现严重的过度拥挤。一种可能减少过度拥挤的方法是提高价格。我们估计,如果在这几个月里,锡安的入场费从每辆车35.00美元增加到每辆车70.00美元,娱乐参观次数将减少18%以上,并将导致5月份的娱乐参观次数达到可接受的水平。
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引用次数: 1
Long-term migration trends and rising temperatures: the role of irrigation 长期移民趋势和气温上升:灌溉的作用
IF 2.6 Q2 Economics, Econometrics and Finance Pub Date : 2021-10-31 DOI: 10.1080/21606544.2021.1993348
Théo Benonnier, Katrin Millock, Vis Taraz
ABSTRACT Climate variability has the potential to affect both international and internal migration profoundly. Earlier work finds that higher temperatures reduce agricultural yields, which in turn reduces migration rates in low-income countries, due to liquidity constraints. We test whether access to irrigation modulates this temperature–migration relationship, since irrigation buffers agricultural incomes from high temperatures. We regress measures of international and internal migration on decadal averages of temperature and rainfall, interacted with country-level data on irrigation and income. We find robust evidence that, for poor countries, irrigation access significantly offsets the negative effect of increasing temperatures on internal migration, as proxied by urbanisation rates. Our results demonstrate the importance of considering access to alternative adaptation strategies when analysing the temperature-migration relationship.
气候变率有可能深刻影响国际和国内移民。早期的研究发现,由于流动性限制,气温升高会降低农业产量,从而降低低收入国家的移民率。我们测试了灌溉是否调节了这种温度-迁移关系,因为灌溉缓冲了高温带来的农业收入。我们将国际和国内移民的测量回归到气温和降雨量的十年平均值,并与国家一级的灌溉和收入数据相互作用。我们发现有力的证据表明,对于贫穷国家来说,灌溉渠道显著抵消了气温升高对国内移民的负面影响(由城市化率所代表)。我们的研究结果表明,在分析温度-迁移关系时,考虑替代适应策略的重要性。
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引用次数: 5
Sensitivity to scope of water and wastewater service valuations: a meta-analysis of findings from water price reviews in Great Britain 对水和废水服务估值范围的敏感性:对英国水价审查结果的荟萃分析
IF 2.6 Q2 Economics, Econometrics and Finance Pub Date : 2021-10-27 DOI: 10.1080/21606544.2021.1984314
P. Metcalfe, A. Seń
ABSTRACT At the 2014/15 water price reviews in Great Britain, a notionally similar stated preference methodology was used across multiple customer surveys to derive willingness to pay (WTP) estimates for comparable service improvements. Very different valuations were obtained for the same service measures, however, raising questions regarding their validity and reliability. This paper examines the variation in those WTP estimates via a meta-analysis of household WTP values from 18 water companies for five common service measures. Our main finding is that WTP decreased substantially with the service changes offered for valuation, a finding that is inconsistent with expected utility theory, the standard economic theory of rational choice under uncertainty, but is consistent with predictions from prospect theory, and with empirical evidence from related fields. Moreover, the majority of the observed variation in WTP estimates could be explained by differences in the scope of service change offered. The study also finds that WTP increased with the number of households supplied, a finding which is considered likely to be due to altruism, and with GDP per capita, and decreased with the number of attributes included in the study design. Significant risk framing effects are also identified.
在2014/15年英国水价评估中,在多个客户调查中使用了一种理论上类似的陈述偏好方法,以得出可比较服务改进的支付意愿(WTP)估计。然而,对于相同的服务措施获得了非常不同的估值,这就提出了有关其有效性和可靠性的问题。本文通过对来自18家自来水公司的五种常见服务措施的家庭WTP值进行meta分析,检验了这些WTP估计的变化。我们的主要发现是,WTP随着为估值提供的服务变化而大幅下降,这一发现与期望效用理论(不确定性下理性选择的标准经济学理论)不一致,但与前景理论的预测以及相关领域的经验证据一致。此外,WTP估计中观察到的大部分变化可以用所提供的服务变化范围的差异来解释。研究还发现,WTP随着供给家庭数量的增加而增加(这一发现被认为可能是由于利他主义),随着人均GDP的增加而增加,随着研究设计中包含的属性数量的增加而减少。显著的风险框架效应也被确定。
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引用次数: 3
The relationship between healthcare expenditure, CO2 emissions and natural resources: evidence from developing countries 医疗支出、二氧化碳排放和自然资源之间的关系:来自发展中国家的证据
IF 2.6 Q2 Economics, Econometrics and Finance Pub Date : 2021-10-10 DOI: 10.1080/21606544.2021.1979101
Sabina Ampon-Wireko, Lulin Zhou, Xinglong Xu, L. Dauda, I. A. Mensah, Ebenezer Larnyo, Easmond Baah Nketia
ABSTRACT The paper examines the association between health expenditure, carbon emission, economic growth, natural resources, and population in developing countries for 2000–2018. It further explores the relationship between these variables over the same period. The study applied Pooled mean group (PMG) and Dynamic ordinary least square (DOLS) estimations to explore the long and short-term impact of environmental pollution, economic growth, and natural resources on health expenditure. PMG and the DOLS results show that economic growth and environmental pollution, and natural resources increase health expenditure at the panel level. However, improved sanitation reduces health spending. The findings for the individual country level from the FMOLS confirmed similar results for some countries. Furthermore, there is bidirectional causality between health spending and economic growth. Developing nations should implement strategic environment management policies that enhanced clean and healthy air to decrease the pressure on health care expenses.
摘要本文考察了2000-2008年发展中国家的医疗支出、碳排放、经济增长、自然资源和人口之间的关系。它进一步探讨了同一时期这些变量之间的关系。该研究应用了组合均值组(PMG)和动态常最小二乘(DOLS)估计,探讨了环境污染、经济增长和自然资源对卫生支出的长期和短期影响。PMG和DOLS结果表明,经济增长、环境污染和自然资源增加了面板层面的卫生支出。然而,卫生条件的改善减少了医疗支出。FMOLS对个别国家一级的调查结果证实了一些国家的类似结果。此外,医疗支出与经济增长之间存在双向因果关系。发展中国家应该实施战略环境管理政策,加强清洁和健康的空气,以减轻医疗保健费用的压力。
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引用次数: 12
How conditional are the conditional willingness-to-pay estimates? A Monte Carlo evaluation 有条件的支付意愿估计有多有条件?蒙特卡罗评价
IF 2.6 Q2 Economics, Econometrics and Finance Pub Date : 2021-10-06 DOI: 10.1080/21606544.2021.1981461
Andy S. Choi
ABSTRACT This paper aims to examine whether or not differing sample compositions influence conditional willingness-to-pay (WTP) estimates for the same respondents, using a Monte Carlo evaluation. The results in this paper challenge the use of individual-specific WTP values. Approximately at least one out of five respondents are likely to show frequent extreme WTP values. Interval variables might give more stable tastes across varying sample compositions than dummy variables. Nonmarket valuation researchers, exploring preference heterogeneity, should be more cautious about potentially unstable conditional WTP estimates, particularly when respondents are regrouped with differing memberships.
摘要本文旨在通过蒙特卡洛评估,检验不同的样本组成是否会影响相同受访者的条件支付意愿估计。本文的结果对使用个人特定的WTP值提出了挑战。大约五分之一的受访者可能经常表现出极端的WTP值。在不同的样本组成中,区间变量可能比伪变量提供更稳定的口味。非市场估值研究人员在探索偏好异质性时,应该对潜在的不稳定条件WTP估计更加谨慎,尤其是当受访者被重新组合为不同的成员时。
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引用次数: 0
The effects of income inequality on the willingness to contribute to environmental sustainability 收入不平等对环境可持续性贡献意愿的影响
IF 2.6 Q2 Economics, Econometrics and Finance Pub Date : 2021-10-01 DOI: 10.1080/21606544.2021.1981460
Martin Förster, Volker Müller-Benedict
ABSTRACT Over the last years, the impact of social inequality in various fields was analysed and researched. Surprisingly, preceding research on the correlation between income inequality and environmental pollution revealed no evidence for such a connection. In this paper, we break down the effect of income inequality on the individuals’ willingness to contribute to environmental sustainability into two indirect effects: the growing privatization of public costs and the expansion of social conflicts. Analysing data from an ISSP survey from 2010, we conclude that the lack of statistical correlation between income inequality and the willingness to contribute to environmental protection results from the simultaneous occurrence of two opposite forces of equal strength: With higher inequality, a person perceives the costs of environmental damage as a private problem, thereby his/her willingness to contribute to the protection of the environment rises. On the other hand, with higher inequality, the willingness to contribute is less enhanced by a norm of contributing to environmental sustainability.
近年来,人们对社会不平等在各个领域的影响进行了分析和研究。令人惊讶的是,之前关于收入不平等和环境污染之间关系的研究并没有发现这种联系的证据。在本文中,我们将收入不平等对个人环境可持续性贡献意愿的影响分解为两种间接影响:公共成本日益私有化和社会冲突的扩大。通过对2010年ISSP调查数据的分析,我们得出结论,收入不平等与环境保护意愿之间缺乏统计相关性的原因是两种强度相等的相反力量同时出现:在收入不平等加剧的情况下,一个人将环境破坏的成本视为一个私人问题,因此他/她为环境保护做出贡献的意愿会上升。另一方面,在不平等程度较高的情况下,为环境可持续性做出贡献的规范对捐款意愿的增强作用较小。
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引用次数: 0
Applying the wellbeing valuation method to value the costs of roadworks and flooding 运用福利评估方法评估道路工程和水浸的成本
IF 2.6 Q2 Economics, Econometrics and Finance Pub Date : 2021-09-08 DOI: 10.1080/21606544.2021.1938688
D. Fujiwara, R. Houston, K. Keohane, C. Maxwell, I. van Emmerik
ABSTRACT This study uses the wellbeing valuation method to monetise the association between water flooding or roadworks incidents and subjective wellbeing for customers served by Anglian Water in the UK. Using this method, we find that the estimated wellbeing cost per incident for flooding is considerably higher than for roadworks, that internal sewer flooding is associated with a higher wellbeing cost per property than external sewer flooding, and that internal water flooding has a lower estimated wellbeing cost per property than internal sewer flooding. The findings were used in Anglian Water’s 2019 Price Review (PR19) business planning. By providing a wellbeing valuation for events that have also been studied through stated preference models, this research also provides a case study for comparing the differences in results between the two valuation methodologies.
本研究使用幸福感评估方法货币化水淹或道路工程事件与英国安联水务服务的客户主观幸福感之间的关联。使用这种方法,我们发现每次洪水事件的估计福利成本远高于道路工程,内部下水道洪水与每处财产的福利成本相关,而外部下水道洪水与内部下水道洪水相比,内部水洪水的每处财产的估计福利成本较低。调查结果用于Anglian Water的2019年价格审查(PR19)业务规划。通过对已经通过陈述偏好模型进行研究的事件提供幸福感评估,本研究还提供了一个案例研究,用于比较两种评估方法之间结果的差异。
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引用次数: 3
Improving meta-analyses on hypothetical bias by using separate models for private and public goods 通过使用私人和公共产品的独立模型改进对假设偏差的元分析
IF 2.6 Q2 Economics, Econometrics and Finance Pub Date : 2021-09-05 DOI: 10.1080/21606544.2021.1971114
Baoubadi Atozou, Stéphane Bergeron, M. Doyon, L. Tamini
ABSTRACT Previous meta-analyses examined hypothetical bias studies with the aim of identifying characteristics of stated preference (SP) design that potentially reduce hypothetical bias. However, previous meta-analyses combined observations for both public and private goods in their models. In this paper, we argue that eliciting values for public and private goods should be considered in separate models. Individuals’ behaviours, the choice of mechanism and the efficiency of mitigation techniques are specific to each type of good. Separating the models should allow more precise model specification and better identification of design effects. With two meta-regressions hierarchical mixed-effect models we provide the first meta-analysis for public and private goods separately. This approach provides specific information regarding SP design and better insight into the efficiency of mitigation techniques to reduce hypothetical bias.
摘要先前的荟萃分析检查了假设偏差研究,目的是确定可能减少假设偏差的陈述偏好(SP)设计的特征。然而,之前的荟萃分析在其模型中结合了对公共和私人商品的观察。在本文中,我们认为公共和私人物品的启发价值应该在单独的模型中考虑。个人的行为、机制的选择和缓解技术的效率针对每种类型的商品。分离模型应允许更精确的模型规范和更好地识别设计效果。通过两个元回归层次混合效应模型,我们分别提供了第一个公共和私人商品的元分析。这种方法提供了关于SP设计的具体信息,并更好地了解了减少假设偏差的缓解技术的效率。
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引用次数: 1
Intensive and extensive impacts of EU subsidies on pesticide expenditures at the farm level 欧盟补贴对农业层面农药支出的密集和广泛影响
IF 2.6 Q2 Economics, Econometrics and Finance Pub Date : 2021-08-20 DOI: 10.1080/21606544.2021.1955749
M. Aubert, G. Enjolras
ABSTRACT This paper studies the intensive and extensive effects of European subsidies on pesticide expenditures at the farm level. Intensive effects refer to the relative value of pesticide expenditures to sales, while extensive effects consider acreage effects. Our approach is original insofar as we consider the consequences of EU policies at the farm level. The analysis relies on the French Farm Accountancy Data Network database from 2007 to 2015 which provides detailed information on farm structure and accounting. The influence of subsidies on pesticide expenditures is measured through a simultaneous equation model using panel data. Even if the aggregate value of EU subsidies does not seem to influence pesticide expenditures, each of the pillars has for its part a significant influence: the 1st pillar contributes to increasing pesticide expenditures, while the 2nd pillar leads to decreasing pesticide expenditures, except for subsidies to crop insurance policies. Overall subsidies and subsidies from the 1st pillar have also a significant and positive impact on farm acreage. The very contrasting effect of European subsidies on pesticide expenditures thus questions the effectiveness of public policies towards the issue of environmentally friendly practices.
摘要本文研究了欧洲补贴对农业层面农药支出的密集和广泛影响。集约效应是指农药支出与销售的相对价值,而广泛效应是指种植面积效应。就我们在农场层面考虑欧盟政策的后果而言,我们的方法是原创的。该分析依赖于2007年至2015年的法国农场会计数据网络数据库,该数据库提供了有关农场结构和会计的详细信息。通过面板数据的联立方程模型来衡量补贴对农药支出的影响。即使欧盟补贴的总额似乎并不影响农药支出,但每个支柱对其本身都有重大影响:第一支柱有助于增加农药支出,而第二支柱导致农药支出减少,但对作物保险政策的补贴除外。总体补贴和第一支柱补贴对农业面积也有显著的积极影响。因此,欧洲对农药支出的补贴产生了截然不同的效果,这使人们对公共政策在环境友好做法问题上的有效性提出了质疑。
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引用次数: 5
Energy poverty: consequences for respiratory health and labour force participation in Cameroon 能源贫困:对喀麦隆呼吸系统健康和劳动力参与的影响
IF 2.6 Q2 Economics, Econometrics and Finance Pub Date : 2021-08-06 DOI: 10.1080/21606544.2021.1962412
Novice Patrick Bakehe
ABSTRACT Insufficient access to modern forms of energy is an important issue for development. This has made the concept of energy poverty to be widely discussed. There is a consensus on the fact that energy poverty has serious effects on health, education, and other socio-economic aspects of individuals. However, the measurement of energy poverty and its effects on labour force participation is generally absent or inaccurate especially at the micro-economic level in developing countries. The objective of this study is therefore to analyse the relationship between energy poverty, respiratory health and participation in the labour market. The data comes from the fourth Cameroon household survey carried out in 2014. The trivariate recursive probit model shows that energy poverty increases the risk of respiratory illnesses and that these illnesses have a negative effect on the labour force participation, especially for women.
现代能源的获取不足是发展的一个重要问题。这使得能源贫困的概念得到了广泛的讨论。人们一致认为,能源贫困对个人的健康、教育和其他社会经济方面产生严重影响。但是,对能源贫穷及其对劳动力参与的影响的衡量通常是缺乏或不准确的,特别是在发展中国家的微观经济一级。因此,本研究的目的是分析能源贫困、呼吸系统健康和劳动力市场参与之间的关系。这些数据来自2014年进行的第四次喀麦隆家庭调查。三变量递归概率模型表明,能源贫困增加了患呼吸系统疾病的风险,这些疾病对劳动力参与产生了负面影响,特别是对妇女而言。
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引用次数: 1
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Journal of Environmental Economics and Policy
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