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  • 1
    Language: English
    Pages: 1 Online-Ressource (circa 27 Seiten) , Illustrationen
    Series Statement: Policy research working paper 8499
    Series Statement: World Bank E-Library Archive
    Series Statement: Policy research working paper
    Parallel Title: Erscheint auch als Dissanayake, Sahan T. M Improved Biomass Cook Stoves for Climate Change Mitigation? Evidence of Preferences, Willingness to pay, and Carbon Savings
    Keywords: Graue Literatur
    Abstract: This paper investigates household preferences for improved cook stoves using a choice experiment administered in rural Ethiopia, and the cost-effectiveness of an improved stove for reducing global greenhouse gas emissions. In Ethiopia, about 96 percent of household energy demand is fulfilled by biomass. Improved stoves use less firewood and produce less smoke, and they have been touted as a way to reduce greenhouse gas emissions and health effects from indoor air pollution, as well as to improve forest conservation. Although there are many studies on the adoption of improved stoves, there is limited information on the willingness to pay for particular attributes of stoves, information that is vital for designing effective stoves and improving stove adoption. The paper finds that households have a positive willingness to pay for the durability, fuelwood use reduction, smoke reduction, and cooking time reduction of improved stoves. It also shows that the stove used in this experiment can be cost-effective for reducing greenhouse gas emissions, which suggests that programs providing payments for reducing greenhouse gas emissions could strengthen stove adoption if they are well implemented. The main reason the stoves are not being adapted is the lack of availability, which is a key message to policy makers
    URL: Volltext  (Deutschlandweit zugänglich)
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  • 2
    Language: English
    Pages: 1 Online-Ressource (circa 56 Seiten) , Illustrationen
    Series Statement: Policy research working paper 8648
    Series Statement: World Bank E-Library Archive
    Series Statement: Policy research working paper
    Parallel Title: Erscheint auch als Dissanayake, Sahan Forest Carbon Supply In Nepal: Evidence From A Choice Experiment
    Keywords: Graue Literatur
    Abstract: This paper uses a choice experiment conducted in Nepal during 2013 to estimate household-level willingness to participate in a village-level program under the Reduced Emissions from Deforestation and Forest Degradation initiative requiring reductions in fuelwood collection, as a function of the price paid per unit of avoided carbon dioxide emissions. The analysis examines incentives to participate both in villages having formal community forest management, the core institution for implementing Reduced Emissions from Deforestation and Forest Degradation, and villages having only informal forest user groups. Contrary to previous findings in the literature about participation incentives, but in keeping with other recent studies of Reduced Emissions from Deforestation and Forest Degradation pilots in Nepal, this study finds that relatively little emission reduction would take place at prices of USD 1.00 to USD 5.00 per ton of avoided carbon emissions. Formal community forests will almost certainly be the core institution within which Reduced Emissions from Deforestation and Forest Degradation is implemented in Nepal and likely other countries. The study finds that average and median values of payment required for agreement to reduce fuelwood collection are substantially larger for formal forest user groups than in informal communities. This reflects that formal groups likely already have fuelwood collection restrictions in place, whereas informal groups may de facto permit open access extraction. The analysis also suggests that households that are part of informal groups react to Reduced Emissions from Deforestation and Forest Degradation very differently than households that are formal group members. Broadly speaking, "underprivileged" formal group member households, such as those who are landless, female-headed, and poor, appear to be warier of fuelwood collection restrictions and thus require higher payments than average respondents. This difference does not appear to carry over to informal group members
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  • 3
    Language: English
    Pages: 1 Online-Ressource (circa 68 Seiten) , Illustrationen
    Series Statement: Policy research working paper 8928
    Series Statement: World Bank E-Library Archive
    Series Statement: Policy research working paper
    Parallel Title: Erscheint auch als Dissanayake, Sahan T. M Stability and Evolution of Preferences for Improved Cookstoves: A Difference-in-Difference Analysis of a Choice Experiment from Ethiopia
    Keywords: Graue Literatur
    Abstract: There is a growing effort in the non-market valuation literature toward better understanding of the stability and evolution of preferences over time. The study uses a novel approach combining a repeated choice experiment with a randomized controlled trial on stove adoption in Ethiopia to analyze the stability and evolution of preferences. The treatment group in the randomized controlled trial received an improved fuelwood stove with less fuelwood use, whereas the control group continued to use traditional cooking methods. Respondents were given the exact same choice questions in 2013 and 2016. The study began with 504 households in 36 communities in 2013, and 486 of the same households participated in 2016 (a 96 percent retention rate). The results show that preferences of the respondents from the control group are stable over the study period, while preferences of the respondents from the treatment group evolve. Moreover, households in the treatment group still using the stoves have significantly higher willingness to pay for all the stove's attributes in 2016 compared with 2013, indicating how longer experience can increase the willingness to pay for technology with environmentally preferable attributes
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  • 4
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (19 p)
    Edition: 2014 World Bank eLibrary
    Parallel Title: Toman, Michael The Need for Multiple Types of Information to Inform Climate Change Assessment
    Abstract: Information on ecosystem characteristics as well as economic statistics is needed to more fully inform decision makers on the impacts of climate change on human well-being. Climate change risks involve potentially large and irreversible as well as highly uncertain impacts that need to be evaluated with information that complements cost-benefit analysis. Information on the irreversibility of impacts also is relevant for evaluating implications for intergenerational equity. In addition, climate change is subject to a large degree of Knightian uncertainty, making it useful to understand how individuals perceive and evaluate climate change risks
    URL: Volltext  (Deutschlandweit zugänglich)
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  • 5
    Language: English
    Pages: 1 Online-Ressource (circa 36 Seiten) , Illustrationen
    Series Statement: Policy research working paper 8930
    Series Statement: World Bank E-Library Archive
    Series Statement: Policy research working paper
    Parallel Title: Erscheint auch als Bluffstone, Randall Do Improved Biomass Cookstoves Reduce PM2.5 Concentrations: If So, for Whom
    Keywords: Graue Literatur
    Abstract: Improved biomass cookstoves have been promoted as important intermediate technologies to reduce fuelwood consumption and possibly cut household air pollution in low-income countries. This study uses a randomized controlled trial to examine household air pollution reductions from an improved biomass cookstove promoted in rural Ethiopia, the Mirt improved cookstove. This stove is used to bake injera, which is very energy intensive and has a very particular cooking profile. In the overall sample, the Mirt improved cookstove leads to only minor reductions in mean household air pollution (10 percent on average). However, for those who bake injera in their main living areas, the Mirt improved cookstove reduces average mean household air pollution by 64 percent and median household air pollution by 78 percent-although the resulting household air pollution levels are still many times greater than the World Health Organization's guideline. These large percentage reductions may reflect decreased emissions due to less use of fuelwood, given Mirt's energy-efficient design, and the likelihood that higher-emissions three-stone cooking is moved outside the main living area once a Mirt improved cookstove is installed. Households in the subsample who experience a greater decline in household air pollution tend to be less wealthy and more remotely located and burn less-preferred biomass fuels, like agricultural waste and animal dung, than households that cook in a separate area
    URL: Volltext  (lizenzpflichtig)
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  • 6
    Online Resource
    Online Resource
    Washington, D.C : The World Bank
    Language: English
    Pages: Online-Ressource (15 p)
    Edition: 2012 World Bank eLibrary
    Parallel Title: Michael Toman "Green Growth
    Abstract: The concept of "Green Growth" is a focus of much interest and considerable debate among decision makers concerned with enhancing both nearer-term economic progress and longer-term environmental sustainability. Proponents of Green Growth emphasize not only the need to protect various forms of natural capital to sustain improvements in material living standards and poverty reduction, but also the potential for strategically crafted environmental policies to achieve sustainability at low cost, perhaps even to help stimulate growth. However, there has been so far relatively little exploration of the analytical underpinnings of Green Growth, or its ambiguities. An exploratory investigation of the goals and underlying assumptions embedded in various conceptions of Green Growth facilitates consideration of how they might be interpreted vis-à-vis standard principles of intertemporal economic efficiency, including the value of the environment. Several plausible potential channels are identified for how synergy between economic growth and environmental sustainability might be more extensive than implied by standard economic theory. However, it is not possible to address their practical significance without more empirical research than is currently available. Consequently, some claims of substantial win-win opportunities between growth and the environment may be premature
    URL: Volltext  (Deutschlandweit zugänglich)
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  • 7
    Language: English
    Pages: 1 Online-Ressource (circa 45 Seiten) , Illustrationen
    Series Statement: Policy research working paper 9133
    Series Statement: World Bank E-Library Archive
    Series Statement: Policy research working paper
    Parallel Title: Erscheint auch als Erhan Artuc Toward Successful Development Policies: Insights from Research in Development Economics
    Keywords: Graue Literatur
    Abstract: What major insights have emerged from development economics in the past decade, and how do they matter for the World Bank? This challenging question was recently posed by World Bank Group President David Malpass to the staff of the Development Research Group. This paper assembles a set of 13 short, nontechnical briefing notes prepared in response to this request, summarizing a selection of major insights in development economics in the past decade. The notes synthesize evidence from recent research on how policies should be designed, implemented, and evaluated, and provide illustrations of what works and what does not in selected policy areas
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  • 8
    Language: English
    Pages: 1 Online-Ressource (circa 33 Seiten) , Illustrationen
    Series Statement: Policy research working paper 8860
    Series Statement: World Bank E-Library Archive
    Series Statement: Policy research working paper
    Parallel Title: Erscheint auch als Telaye, Andualem Exploring Carbon Pricing in Developing Countries: A Macroeconomic Analysis in Ethiopia
    Keywords: Graue Literatur
    Abstract: This study uses a computable general equilibrium model to analyze various policy scenarios for a carbon tax on greenhouse gas emissions from petroleum fuels and kerosene in Ethiopia. The carbon tax starts at USD 5 per ton of carbon dioxide in 2018 and rises to USD 30 per ton in 2030. Different scenarios examine the impacts with revenue recycling through a uniform sales tax reduction, reduction of labor income tax, reduction of business income tax, direct transfer back to households, and use by the government to reduce debt. Because petroleum fuels and kerosene are a relatively small part of the Ethiopian economy, the carbon tax has quite small impacts on overall economic activity while having a notable proportionate impact on greenhouse gas emissions from these energy sources, depending on the recycling scenario. The carbon tax can raise significant revenue-up to USD 800 million per year by 2030. The impacts on the poor through increased cost of living are not that large, since the share of the poor in total use of petroleum fuels and kerosene is small. In terms of income effects through employment changes, urban households tend to experience more impacts than rural households, but the results also depend on the household skill level and the revenue recycling scenario
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  • 9
    Language: English
    Pages: 1 Online-Ressource (circa 35 Seiten) , Illustrationen
    Series Statement: Policy research working paper 8929
    Series Statement: World Bank E-Library Archive
    Series Statement: Policy research working paper
    Parallel Title: Erscheint auch als LaFave, Daniel Impacts of Improved Biomass Cookstoves on Child and Adult Health: Experimental Evidence from Rural Ethiopia
    Keywords: Graue Literatur
    Abstract: This paper presents the three-year impacts of an improved biomass cookstove on child and adult health in rural Ethiopia. After near complete stove adoption during an initial one-year randomized controlled trial, 60 percent of treatment households continued to use the improved stoves three-years on and experienced reductions in hazardous airborne particulate matter. The study finds that treatment status is associated with a precisely estimated 0.3-0.4 standard deviation improvement in height-for-age of young children exposed during their first years of life, compared with a control group of households that never used the improved stove. This is a substantial effect with implications for greater health and well-being throughout the life course. However, the study finds no changes in the respiratory symptoms or physical functioning of older children and adult cooks in treated households relative to control households. The results advance understanding of the health impacts of hazardous air pollution while also refining the design and implementation options for interventions geared toward improving well-being in similar environments
    URL: Volltext  (lizenzpflichtig)
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  • 10
    Language: English
    Pages: 1 Online-Ressource (circa 38 Seiten) , Illustrationen
    Series Statement: Policy research working paper 9272
    Series Statement: World Bank E-Library Archive
    Series Statement: Policy research working paper
    Parallel Title: Erscheint auch als Mekonnen, Alemu Improved Biomass Cookstove use in the Longer Run: Results from a Field Experiment in Rural Ethiopia
    Keywords: Graue Literatur
    Abstract: This paper reports on electronically-monitored improved use of the "Mirt" biomass stove in Ethiopia over a relatively long period of three-and-a-half years, using stove use data collected at five points in time. The results show that 62 percent of the households surveyed still retained their stoves after more than three years, which is a low level of abandonment, as the lifetime of the Mirt stove is approximately five years. Dis-adoption of the stove is not correlated with any of three monetary incentives provided at the time of distribution. With and without adjusting for dis-adoption, no longer-run differences in stove retention are found across treatments. Among those who retained their stoves, average regular stove use increased over time, but generally it is statistically the same toward the end of the first year. Thus, despite the relatively long timeframe, no decline is observed in regular usage. Comparing the persistence of the treatment effects, the paper finds that, in the longer run, subsidizing the cost most effectively promotes increased regular use over time
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