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  • 1
    UID:
    almafu_9961265131702883
    Format: 1 online resource (41 pages)
    Content: Developing countries face a major challenge of decarbonizing their light-duty vehicle fleet and transitioning to the broad use of electric vehicles. However, there is little evidence on which policies can most effectively facilitate that transition in these countries, distinguished by relatively low-income consumers and highly concentrated markets that distort vehicle markups. This paper analyzes existing and proposed policies aiming to reduce emissions from new passenger vehicles in Colombia, which has used preferential sales taxes and import tariffs to stimulate hybrid and electric cars sales. Using highly detailed data on vehicle purchases and attributes, the paper estimates an equilibrium model of Colombia's market that includes a random-coefficients logit demand structure and endogenizes firms' markups. Using the model to simulate policies, the analysis finds that Colombia's sales tax and import tariffs have increased hybrid and electric vehicle market shares by 0.9 to 2.7 percentage points at welfare costs of USD 40-USD 48 per ton of carbon dioxide reduction. Potentially taxing carbon dioxide emissions rates of new vehicles would have roughly similar welfare costs. The high welfare costs of these policies arise from preexisting distortions caused by market power, which yields large private welfare costs of shifting from gasoline to hybrid and electric vehicles.
    Language: English
    URL: Volltext  (kostenfrei)
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  • 2
    UID:
    almafu_9958246553902883
    Format: 1 online resource (57 pages)
    Series Statement: Policy research working papers.
    Content: To assess how capital stocks adapt to energy price changes, it is necessary to account for the impacts on different vintages of capital and to account separately for price-induced and autonomous improvements in the energy efficiency of capital stock. The results of econometric analysis for five manufacturing industries in 19 OECD countries between 1990 and 2005 indicate that higher energy prices resulted in smaller energy use due to both improved energy efficiency of capital stock and reduced demand for the energy input. The investment response to energy prices varied considerably across manufacturing industries, being more significant in energy-intensive sectors. The results of policy simulations indicate that a carbon tax can deliver significant reductions in energy consumption in the medium run with modest declines in energy-using capital stock.
    Language: English
    URL: Volltext  (kostenfrei)
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  • 3
    UID:
    almafu_9958246554002883
    Format: 1 online resource (87 pages)
    Series Statement: Policy research working papers.
    Content: Economic, agronomic, and biophysical drivers affect global land use, so all three influences need to be considered in evaluating economically optimal allocations of the world's land resources. A dynamic, forward-looking optimization framework applied over the course of the coming century shows that although some deforestation is optimal in the near term, in the absence of climate change regulation, the desirability of further deforestation is eliminated by mid-century. Although adverse productivity shocks from climate change have a modest effect on global land use, such shocks combined with rapid growth in energy prices lead to significant deforestation and higher greenhouse gas emissions than in the baseline. Imposition of a global greenhouse gas emissions constraint further heightens the competition for land, as fertilizer use declines and land-based mitigation strategies expand. However, anticipation of the constraint largely dilutes its environmental effectiveness, as deforestation accelerates prior to imposition of the target.
    Language: English
    URL: Volltext  (kostenfrei)
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  • 4
    UID:
    almafu_9958246225902883
    Format: 1 online resource (35 pages)
    Series Statement: Policy research working papers.
    Content: This study assesses the accuracy of time-series econometric methods in forecasting electricity demand in developing countries. The analysis of historical time series for 106 developing countries over 1960-2012 demonstrates that econometric forecasts are highly accurate for the majority of these countries. These forecasts significantly outperform predictions of simple heuristic models, which assume that electricity demand grows at an exogenous rate or is proportional to real gross domestic product growth. The quality of the forecasts, however, diminishes for the countries and regions, where rapid economic and structural transformation or exposure to conflicts and environmental disasters makes it difficult to establish stable historical demand trends.
    Language: English
    URL: Volltext  (kostenfrei)
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  • 5
    UID:
    almafu_9958246528002883
    Format: 1 online resource (40 pages)
    Series Statement: Policy research working papers.
    Content: This study seeks to understand how materials scarcity and competition from alternative uses affects the potential for widespread deployment of solar electricity in the long run, in light of related technology and policy uncertainties. Simulation results of a computable partial equilibrium model predict a considerable expansion of solar electricity generation worldwide in the near decades, as generation technologies improve and production costs fall. Increasing materials scarcity becomes a significant constraint for further expansion of solar generation, which grows considerably slower in the second half of the coming century. Solar generation capacity increases with higher energy demand, squeezing consumption in industries that compete for scarce minerals. Stringent climate policies hamper growth in intermittent solar photovoltaics backed by fossil fuel powered plants, but lead to a small increase in non-intermittent concentrated solar power technology. By the end of the coming century, solar electricity remains a marginal source of global electricity supply even in the world of higher energy demand, strict carbon regulations, and generation efficiency improvements.
    Language: English
    URL: Volltext  (kostenfrei)
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  • 6
    UID:
    almafu_9959609991402883
    Format: 1 online resource (44 pages)
    Series Statement: Policy research working papers.
    Content: This study uses a contingent valuation approach to value the willingness-to-pay (WTP) for improved service experienced by households in Nepal following the end of the country's load-shedding crisis of 2008-2016. Using a detailed survey of grid-connected Nepali households, the authors calculate the WTP per outage-day avoided and the residential value of lost (VoLL) and analyze their key drivers. Households are willing to pay, on average, 123.32 NR (USD 1.11) per month, or 65 percent of the actual average monthly bill for improved quality of power supply. The preferred estimates of the VoLL are in the range of 5 to 15 NR/kWh (Ø4.7-Ø14/kWh). These estimates are below the marginal cost of avoided load shedding, and virtually the same as valuations at the beginning of the load-shedding crisis.
    Language: English
    URL: Volltext  (kostenfrei)
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  • 7
    UID:
    almafu_9958383576702883
    Format: 1 online resource (51 pages)
    Series Statement: Policy research working papers.
    Content: This study surveys one of the critical welfare aspects of contemplating climate policies in developing countries and their potential effect on workers and labor markets. The existing body of evidence finds that climate policies will likely cause a significant reduction of jobs in fossil-fuel industries. These industries make up a relatively small share of total employment, even in fossil-fuel-intensive countries. Therefore, the effect on aggregate employment will likely be small, especially over the long term, since there will be offsetting gains in other industries. However, most of the literature ignores the key features of developing country labor markets and may significantly misrepresent the dynamics of labor market adjustment to climate policies.
    Language: English
    URL: Volltext  (kostenfrei)
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  • 8
    UID:
    almafu_9958869785902883
    Format: 1 online resource (40 pages)
    Series Statement: Policy research working papers.
    Content: This study develops and structurally estimates a model of household and electric utility behavior to describe how the low access rates and high connection charges that are common in the Sub-Saharan Africa region arise from regulated electricity tariffs being set too low. As a result, the utilities lose money on each connected customer and low electricity consumption by households makes it difficult to recover the cost of providing a connection. For each possible choice of the regulated tariff, the optimal upfront connection charge is computed that will maximize profits for the utility in its service territory. Higher tariffs are associated with lower optimal connection charges and higher electrification rates. Nonetheless, due to households' low willingness to pay for electricity services, the equilibrium electrification rates in the model are much lower than 100 percent. Future advances in electrification will require higher incomes, increased coverage of the distribution network, and lower connection costs.
    Language: English
    URL: Volltext  (kostenfrei)
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  • 9
    UID:
    almafu_9959104514302883
    Format: 1 online resource (39 pages)
    Series Statement: Policy research working papers.
    Content: Improving electricity access in low-income countries is a challenging problem because of the high costs of grid extension and low demand for grid electricity in rural areas. This study elucidates these constraints by analyzing poor households' willingness-to-pay for different types of electricity access, including lower cost off-grid technologies. The theoretical model illustrates how consumer preferences, operational and capital costs of electricity service delivery, and availability of power supply affect households' decisions to acquire electricity technology. These effects are then assessed empirically by estimating beneficiaries' willingness-to-pay for electricity in three low-income countries that have pockets of households living in extreme poverty-Burkina Faso, Senegal, and Rwanda. Consistent with the theoretical model, the results indicate very low household willingness-to-pay for electricity access, and that willingness-to-pay diminishes as households' income declines. Therefore, the study recommends concentrating in the nearer term on ultra-low-cost decentralized off-grid solar technologies in programs to provide household electricity to the poor in rural areas.
    Language: English
    URL: Volltext  (kostenfrei)
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  • 10
    UID:
    almafu_9959377668602883
    Format: 1 online resource (64 pages)
    Series Statement: Policy research working papers.
    Content: The productivity of the world's natural resources is critically dependent on a variety of highly uncertain factors, which obscure individual investors and governments that seek to make long-term, sometimes irreversible investments in their exploration and utilization. These dynamic considerations are poorly represented in disaggregated resource models, as incorporating uncertainty into large-dimensional problems presents a challenging computational task. This study introduces a novel numerical method to solve large-scale dynamic stochastic natural resource allocation problems that cannot be addressed by conventional methods. The method is illustrated with an application focusing on the allocation of global land resource use under stochastic crop yields due to adverse climate impacts and limits on further technological progress. For the same model parameters, the range of land conversion is considerably smaller for the dynamic stochastic model as compared to deterministic scenario analysis. The scenario analysis can thus significantly overstate the magnitude of expected land conversion under uncertain crop yields.
    Language: English
    URL: Volltext  (kostenfrei)
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