| 1. |
- Ahlberg, Erik, et al.
(författare)
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"Vi klimatforskare stödjer Greta och skolungdomarna"
- 2019
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Ingår i: Dagens nyheter (DN debatt). - 1101-2447.
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Tidskriftsartikel (populärvet., debatt m.m.)abstract
- DN DEBATT 15/3. Sedan industrialiseringens början har vi använt omkring fyra femtedelar av den mängd fossilt kol som får förbrännas för att vi ska klara Parisavtalet. Vi har bara en femtedel kvar och det är bråttom att kraftigt reducera utsläppen. Det har Greta Thunberg och de strejkande ungdomarna förstått. Därför stödjer vi deras krav, skriver 270 klimatforskare.
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| 2. |
- Ambec, Stefan, et al.
(författare)
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Policy Spillovers in the regulation of multiple pollutants
- 2018
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Ingår i: Journal of Environmental Economics and Management. - : Elsevier BV. - 0095-0696 .- 1096-0449. ; 87 (2018), s. 114-134
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Tidskriftsartikel (refereegranskat)abstract
- We analyze the interplay between policies aimed to control transboundary and local pollutants such as greenhouse gases and particulate matter. The two types of pollution interact in the abatement cost function of the polluting firms through economies or diseconomies of scope. They are regulated by distinct entities, potentially with different instruments that are designed according to some specific agenda. We show that the choice of regulatory instrument and the timing of the regulations matter for efficiency. Emissions of the local pollutant are distorted if the regulators anticipate that transboundary pollution will later be regulated through emission caps. The regulation is too stringent with diseconomies of scope, and not enough with economies of scope. In contrast, we obtain efficiency if the transboundary pollutant is regulated by emission taxes or tradable emission permits provided that the revenue from taxing emissions are redistributed to the countries in a lump-sum way and that the initial allocation of tradable emission permits is not linked to abatement costs.
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| 3. |
- Ambec, Stefan, et al.
(författare)
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Prices vs quantities with multiple pollutants
- 2013
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Ingår i: Journal of Environmental Economics and Management. - : Elsevier BV. - 0095-0696 .- 1096-0449. ; 22:1, s. 123-140
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Tidskriftsartikel (refereegranskat)abstract
- We examine the choice of policy instruments (price, quantity or a mix of the two) when two pollutants are regulated and firms' abatement costs are private information. Whether abatement efforts are complements or substitutes is key determining the choice of policies. When pollutants are complements, a mixed policy instrument with a tax on one pollutant and a quota on another is sometimes preferable even if the pollutants are identical in terms of benefits and costs of abatement. Yet, if they are substitutes, the mixed policy is dominated by taxes or quotas
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| 4. |
- Ambec, S., et al.
(författare)
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The informational value of environmental taxes
- 2021
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Ingår i: Journal of Public Economics. - : Elsevier BV. - 0047-2727. ; 199
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Tidskriftsartikel (refereegranskat)abstract
- We propose informational spillovers as a new rationale for the use of multiple policy instruments to mitigate a single externality. We investigate the design of a pollution standard when the firms' abatement costs are unknown and emissions are taxed. A firm might abate pollution beyond what is required by the standard by equalizing its marginal abatement costs to the tax rate, thereby revealing information about its abatement cost. We analyze how a regulator can take advantage of this information to design the standard. In a dynamic setting, the regulator relaxes the initial standard in order to induce more information revelation, which would allow her to set a standard closer to the first best in the future. Updating standards, though, generates a ratchet effect since a low-cost firm might strategically hide its cost by abating no more than required by the standard. We characterize the optimal standard and its update across time depending on the firm's abatement strategy. We illustrate our theoretical results with the case of NOx regulation in Sweden. We find evidence that the firms that pay the NOx tax experience more frequent standard updates and more stringent revisions than those who are exempted. (C) 2021 Elsevier B.V. All rights reserved.
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| 5. |
- Bonilla, Jorge, 1975, et al.
(författare)
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Refunded Emission Payments and Diffusion of NOx Abatement Technologies in Sweden
- 2015
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Ingår i: Ecological Economics. - : Elsevier BV. - 0921-8009. ; 116, s. 132-145
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Tidskriftsartikel (refereegranskat)abstract
- This paper studies how different NOx abatement technologies have diffused under the Swedish system of refunded emission payments (REP) and analyzes the determinants of the time to adoption. The policy, under which the charge revenues are refunded back to the regulated firms in proportion to energy output, was explicitly designed to affect investment in NOx-reducing technologies. The main finding is that REP had a significant effect on the adoption of post-combustion technologies. Moreover, we also find some indications that the effects of REP have been enhanced by the existing system of individual emission standards. In particular, the effect of REP speeding up the pace of adoption of post-combustion technologies is considerably larger in those counties where stringent standards are in place.
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| 6. |
- Bonilla, J, et al.
(författare)
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Technical synergies and trade-offs between abatement of global and local air pollution
- 2018
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Ingår i: Environmental and Resource Economics. - : Springer Science and Business Media LLC. - 0924-6460 .- 1573-1502. ; 70:1, s. 191-221
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Tidskriftsartikel (refereegranskat)abstract
- In this paper, we explore the synergies and tradeoffs between abatement of global and local pollution. We build a unique dataset of Swedish combined heat and power plants with detailed boiler-level data 2001–2009 on not only production and inputs but also on emissions of CO2 and NOx. Both pollutants are regulated by strict policies in Sweden. CO2 is subject to theEuropean UnionEmissionTrading Scheme and Swedish carbon taxes;NOx— as a precursor of acid rain and eutrophication—is regulated by a heavy fee. Using a quadratic directional output distance function, we characterize changes in technical efficiency as well as patterns of substitutability in response to the policies mentioned. The fact that generating units face a trade-off between the pollutants indicates the need for policy coordination.
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| 7. |
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| 8. |
- Coria, Jessica, 1979, et al.
(författare)
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Air pollution dynamics and the need for temporally differentiated road pricing
- 2015
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Ingår i: Transportation Research Part A: Policy and Practice. - : Elsevier BV. - 0965-8564. ; 75, s. 178-195
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Tidskriftsartikel (refereegranskat)abstract
- In this paper we investigate the effects of the temporal variation of pollution dispersion, traffic flows and vehicular emissions on pollution concentration and illustrate the need for temporally differentiated road pricing through an application to the case of the congestion charge in Stockholm, Sweden. By accounting explicitly for the role of pollution dispersion on optimal road pricing, we allow for a more comprehensive view of the economy– ecology interactions at stake, showing that price differentiation is an optimal response to the physical environment. Most congestion charges in place incorporate price bands to mitigate congestion. Our analysis indicates that, to ensure compliance with air quality standards, such price variations should also be a response to limited pollution dispersion.
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| 9. |
- Coria, Jessica, 1979, et al.
(författare)
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Economic interests cloud hazard reductions in the European regulation of substances of very high concern
- 2022
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Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723 .- 2041-1723. ; 13:1
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Tidskriftsartikel (refereegranskat)abstract
- Here we investigate how the conflicts between hazard reduction and economic interests have shaped the regulation of substances of very high concern (SVHCs) under the Authorization program of the European chemical regulation Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH). Since regulation starts with listing SVHCs on the Candidate List, we analyze the relative importance of toxicological properties, economic motivations, and available scientific knowledge on the probability of inclusion on the Candidate List. We find that the most important factor in whether a substance is listed is whether it is being produced in, or imported into, the European Economic Area (EEA), with the regulators less likely to place a substance on the list if it is currently being produced or imported in the EEA. This evidence suggests that regulators have listed chemicals of secondary importance leading to lesser than anticipated hazard reductions, either because production and imports had already ceased before the listing, or because the compound has never been produced or imported in the EEA at all.
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| 10. |
- Coria, Jessica, 1979, et al.
(författare)
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Ecotourism and the development of indigenous communities: The good, the bad, and the ugly
- 2012
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Ingår i: Ecological Economics. - : Elsevier BV. - 0921-8009. ; 73:15, s. 47-55
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Tidskriftsartikel (refereegranskat)abstract
- A large part of the literature analyzing the links between biodiversity conservation and community development assumes that nature-based tourism managed by indigenous communities will result not only in conservation of natural resources but also in increased development. In practice, ecotourism has often failed to deliver the expected benefits to indigenous communities due to a combination of factors, including shortages in the endowments of human, financial and social capital within the community, lack of mechanisms for a fair distribution of the economic benefits of ecotourism, and land insecurity. Based on a review of experiences, we analyze the complex interaction among the factors shaping the success and failure of ecotourism experiences in indigenous communities, and we stress the need for a better approach to enhance the indigenous communities' livelihood possibilities coming from ecotourism, as well as to promote land tenure and communities' empowerment.
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