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Deforestation and Smallholder Income: Evidence from Remittances to Nepal 森林砍伐与小农收入:来自尼泊尔汇款的证据
IF 1.4 4区 经济学 Q3 ECONOMICS Pub Date : 2021-11-11 DOI: 10.3368/le.98.2.090220-0139r
Manhong Li, Wei Zhang, Zhe Guo, P. Bhandary
This article examines the effect of remittance income on deforestation in Nepal during 2001–2010 using satellite-based land use data and a nationwide household survey. Results indicate that remittance income reduced deforestation by 4.2 percentage points, accounting for almost 12% of deforestation during this time. An additional 1,000 Nepalese rupee increase in average household annual remittance income reduced the ward-level deforestation by an approximate 0.435 percentage point. There is no evidence that remittances induced expansion of agricultural land or stimulated demand for forest products. Instead, remittances contributed to the shift of households’ demand for timber and fuelwood toward nonwood alternatives for housing construction and cooking.
本文利用基于卫星的土地利用数据和全国住户调查,考察了2001-2010年尼泊尔汇款收入对森林砍伐的影响。结果表明,汇款收入使森林砍伐减少了4.2个百分点,占同期森林砍伐的近12%。平均家庭年汇款收入每增加1000尼泊尔卢比,就能使森林砍伐率降低约0.435个百分点。没有证据表明汇款导致了农业用地的扩大或刺激了对林产品的需求。相反,汇款促使家庭对木材和薪材的需求转向非木材替代品,用于住房建设和烹饪。
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引用次数: 2
Household Sorting as Adaptation to Hurricane Risk in the United States 适应美国飓风风险的家庭分类
IF 1.4 4区 经济学 Q3 ECONOMICS Pub Date : 2021-11-11 DOI: 10.3368/le.98.2.111319-0162r1
Qin Fan, Laura A. Bakkensen
We employ a structural model of location choice to estimate household sorting across the United States in response to hurricane risk. Using spatially detailed projections of future hurricane energy, we simulate regional population shifts and welfare effects of hurricane risk–induced migration in 2100. We find heterogeneous responses to hurricane risk for households that vary by number of children, age, educational attainment, and prior exposure to hurricane risk. Under future hurricane risk, although changes are small, we find declines in regional population shares along the hurricane-prone coasts and negative overall welfare effect. However, ignoring the spatial heterogeneity of hurricanes underestimates these effects.
我们采用了一个位置选择的结构模型来估计美国各地的家庭分类,以应对飓风风险。利用未来飓风能量的空间详细预测,我们模拟了2100年飓风风险导致的区域人口转移和福利效应。我们发现家庭对飓风风险的不同反应因儿童数量、年龄、教育程度和先前暴露于飓风风险而异。在未来飓风风险下,尽管变化很小,但我们发现沿飓风易发海岸的区域人口份额下降,总体福利效应为负。然而,忽视飓风的空间异质性低估了这些影响。
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引用次数: 2
More in Good Condition or Less in Bad Condition? Valence-Based Framing Effects in Environmental Valuation 状况好的多还是状况差的少?环境评价中基于价的框架效应
IF 1.4 4区 经济学 Q3 ECONOMICS Pub Date : 2021-11-11 DOI: 10.3368/le.98.2.051920-0067r1
M. Faccioli, K. Glenk
This study addresses an important gap in the stated preference literature concerning valence-based framing of discrete choice experiment attributes. Valence-based framing arises when equivalent outcomes are presented in different ways by accentuating either the positive (e.g., more in good condition) or negative information (e.g., less in bad condition). We find that alternative framings produce different willingness-to-pay estimates, with implications for benefit-cost analysis. We recommend neutral attribute descriptions and otherwise testing for the effects of alternative framings to obtain more robust welfare evidence. We also show that the framing used does not affect the choice paradigm adopted by respondents.
本研究解决了关于离散选择实验属性的基于价值框架的陈述偏好文献中的一个重要空白。当通过强调积极信息(例如,更多处于良好状态)或消极信息(例如,更少处于糟糕状态)以不同方式呈现等效结果时,基于价值的框架就会出现。我们发现,不同的框架产生了不同的支付意愿估计,并对收益-成本分析产生了影响。我们建议采用中立的属性描述,并对其他框架的影响进行测试,以获得更有力的福利证据。我们还表明,所使用的框架不影响被调查者采用的选择范式。
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引用次数: 4
Information Use and Its Effects on the Valuation of Agricultural Genetic Resources 信息利用及其对农业遗传资源价值评估的影响
IF 1.4 4区 经济学 Q3 ECONOMICS Pub Date : 2021-11-11 DOI: 10.3368/le.98.2.090319-0127r1
Annika Tienhaara, Heini Ahtiainen, E. Pouta, Mikołaj Czajkowski
This article examines the effects of information on stated preferences for an unfamiliar environmental good: agricultural genetic resources. We define two groups of respondents based on their use of additional information, and we model information use and its effect on individual preferences and scale. Our findings indicate that sociodemographic and attitudinal variables affect the use of information. We observe individual preference heterogeneity but no significant differences in scale between the information groups. The results highlight the importance of genetic resource conservation and controlling for the effects of information use in choice experiment models for unfamiliar goods.
本文研究了信息对一种陌生环境商品——农业遗传资源——的既定偏好的影响。我们根据他们对额外信息的使用定义了两组受访者,并对信息的使用及其对个人偏好和规模的影响进行了建模。我们的研究结果表明,社会人口统计学和态度变量会影响信息的使用。我们观察到个体偏好的异质性,但信息组之间在规模上没有显著差异。研究结果强调了遗传资源保护和控制信息使用对陌生商品选择实验模型影响的重要性。
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引用次数: 3
Urban Land Use Fragmentation and Human Well-Being 城市土地利用碎片化与人类福祉
IF 1.4 4区 经济学 Q3 ECONOMICS Pub Date : 2021-11-11 DOI: 10.3368/le.98.2.122019-0175r1
Christine Bertram, Jan Goebel, Christian Krekel, K. Rehdanz
We study how land use fragmentation affects the life satisfaction of city dwellers. To this end, we calculate fragmentation metrics based on exact geographical coordinates of land use from the European Urban Atlas and of households from the German Socio-Economic Panel. Using ordinary least squares and fixed effects specifications, we find little effect on life satisfaction when aggregating over land use types. When looking at particular types, however, we find that life satisfaction is positively affected by lower average degrees of soil sealing, larger shares of vegetation, and more heterogeneous configurations of medium- and low-density urban fabric, especially in areas with higher population density.
研究土地利用碎片化对城市居民生活满意度的影响。为此,我们根据欧洲城市地图集的土地利用精确地理坐标和德国社会经济小组的家庭地理坐标计算碎片化指标。使用普通最小二乘和固定效应规格,我们发现当土地利用类型聚集时,生活满意度的影响很小。然而,当观察特定类型时,我们发现生活满意度受到较低的平均土壤封闭程度、较大的植被份额和更异质性的中低密度城市结构的积极影响,特别是在人口密度较高的地区。
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引用次数: 4
Multiple Herbicide Use in Cropland: A Discrete-Continuous Model for Stated Choice Data 农田中多种除草剂的使用:一个状态选择数据的离散连续模型
IF 1.4 4区 经济学 Q3 ECONOMICS Pub Date : 2021-11-11 DOI: 10.3368/le.98.2.092520-0150r1
Andreas Pellegrini, J. Rose, R. Scarpa
Using a random utility consistent discrete-continuous model, we analyze decisions by a sample of Australian farmers on the mix of herbicides and their intensity of use. The proposed model is flexible and even accommodates decisions concerning a single herbicide. We use a sequential quadratic programming-based forecasting approach to predict optimal herbicide types and allocations. Structural estimates are used to forecast how price changes affect herbicide demand. The forecasting approach allows for calibration of alternative specific constants to reproduce existing brand market shares.
使用随机效用一致离散连续模型,我们分析了澳大利亚农民样本对除草剂组合及其使用强度的决策。所提出的模型是灵活的,甚至可以适应关于单一除草剂的决策。我们使用基于序列二次规划的预测方法来预测最佳除草剂类型和分配。结构估计用于预测价格变化如何影响除草剂需求。预测方法允许校准替代特定常数,以再现现有品牌市场份额。
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引用次数: 2
Wetland Investment Support Schemes: Adoption and Spatial Interactions 湿地投资支持计划:采用和空间互动
IF 1.4 4区 经济学 Q3 ECONOMICS Pub Date : 2021-11-11 DOI: 10.3368/le.98.2.051520-0066r
A. Aklilu, Katarina Elofsson
Agri-environmental investment support that compensates landowners for the costs of wetland creation and restoration is considered an effective policy for increasing biodiversity and reducing nonpoint emissions in agricultural landscapes. This study assesses the extent to which such an agri-environmental scheme is propagated across landowners and examines determinants of the adoption of the policy in Sweden. Using spatiotemporal variations in the implementation of the scheme, we show that endogenous spatial interaction across landowners helps propagate the adoption of the scheme. We did not find spatial interactions to play a role in the disadoption of the scheme.
农业环境投资支持补偿土地所有者的湿地创建和恢复成本,被认为是增加生物多样性和减少农业景观中非点排放的有效政策。这项研究评估了这种农业环境计划在土地所有者中传播的程度,并考察了瑞典采用该政策的决定因素。在该方案的实施中使用时空变化,我们表明土地所有者之间的内生空间互动有助于推广该方案的采用。我们没有发现空间相互作用在该方案的否决中发挥作用。
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引用次数: 2
A Flood of Construction: The Role of Levees in Urban Floodplain Development 建设洪水:堤防在城市洪泛区发展中的作用
IF 1.4 4区 经济学 Q3 ECONOMICS Pub Date : 2021-10-20 DOI: 10.3368/le.98.1.071520-0106r1
Will Georgic, H. Klaiber
We estimate the effect of leveerelated flood-risk reduction on rates of new housing development. Using a fixed-effect Poisson regression and a nonlinear difference-in-differences identification strategy, we find that newly constructed levees increased the rate of residential development by more than 50% compared with areas without levee protection. Contemporary analysis using a duration model indicates effects lasting decades later, with the magnitude of the induced development attenuating over time. Our findings inform discussion of the “levee effect” and highlight the possibility that further flood-risk reduction investment in levees may be partially offset through increased development activity.
我们估计了洪水风险降低对新住房开发率的影响。使用固定效应泊松回归和非线性差中差识别策略,我们发现新建的堤坝比没有堤坝保护的地区增加了50%以上的住宅开发速度。使用持续时间模型的当代分析表明,影响持续几十年后,诱导发展的幅度随着时间的推移而减弱。我们的研究结果为“堤坝效应”的讨论提供了信息,并强调了进一步降低洪水风险的堤坝投资可能通过增加开发活动部分抵消的可能性。
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引用次数: 3
Environmental Regulation, Compliance Strategies, and Productivity: Evidence from China 环境法规、合规策略与生产力:来自中国的证据
IF 1.4 4区 经济学 Q3 ECONOMICS Pub Date : 2021-10-20 DOI: 10.3368/le.98.1.073020-0118r1
Mengdi Liu, Ronald J. Shadbegian, Bing Zhang
The strong version of the Porter hypothesis indicates that environmental regulations may cause firms to become more productive. However, using a difference-in-differences regression model with propensity score matching, we find that more stringent wastewater discharge requirements faced by textile, printing, and dyeing firms significantly reduced their total factor productivity (TFP) by 13%-14%. We advance the literature by providing evidence that more stringent regulation has a larger negative TFP effect on firms that rely more heavily on end-of-pipe abatement strategies rather than change-in-production-process techniques. Moreover, most of the negative TFP effects of the stricter environmental regulation occur at domestically owned private firms
波特假说的有力版本表明,环境法规可能会使企业提高生产力。然而,使用具有倾向得分匹配的差分回归模型,我们发现纺织、印染企业面临的更严格的废水排放要求显著降低了其全要素生产率(TFP)13%-14%。我们通过提供证据来推进文献,证明更严格的监管对那些更依赖管道末端减排策略而不是生产工艺技术变革的公司产生了更大的负TFP效应。此外,更严格的环境监管对全要素生产率的负面影响大多发生在国内私营企业
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引用次数: 2
Soil Investments on Rented versus Owned Plots: Evidence from a Matched Tenant-Landlord Sample in Malawi 租赁地块与自有地块的土壤投资:来自马拉维匹配租户-房东样本的证据
IF 1.4 4区 经济学 Q3 ECONOMICS Pub Date : 2021-10-20 DOI: 10.3368/le.98.1.062619-0084r1
Jacob Ricker-Gilbert, J. Chamberlin, Joseph S. Kanyamuka
We use a unique data set on matched tenant-landlord pairs in Malawi to compare decisions on smallholder plots that were rented versus those that were owner-operated. Controlling for household and rental-pair fixed effects, we found that some input use (e.g., hybrid maize seed) and soil fertility investments (e.g., manure, compost, minimum tillage) were higher on tenants’ owner-operated plots than on their rented-in plots. Tenants were also less likely to use compost than their landlords. Landlords were less likely to rent out plots with fruit trees. Our results suggest that the expansion of farmland rental markets may exacerbate soil fertility maintenance concerns.
我们使用马拉维匹配的租户-房东对的独特数据集,比较租赁的小农户地块与业主经营的小农户土地的决策。在控制家庭和租赁对固定效应的情况下,我们发现租户的自有地块上的一些投入使用(如杂交玉米种子)和土壤肥力投资(如粪肥、堆肥、少耕)高于租赁地块。与房东相比,租户也不太可能使用堆肥。地主们不太可能出租有果树的地块。我们的研究结果表明,农田租赁市场的扩张可能会加剧对土壤肥力维持的担忧。
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引用次数: 2
期刊
Land Economics
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