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Financing of the global shift to renewable energy and energy efficiency 为全球转向可再生能源和能源效率提供资金
IF 8.6 Pub Date : 2019-08-05 DOI: 10.3934/GF.2019.3.264
Y. Krozer
A global shift to low-carbon economies needs five times larger annual investments in renewable energy and energy efficiency compared to the present USD2005 200 billion. The question about how to finance those large investments is discussed with particular attention to the citizens’ savings because they are hardly used so far, except a few countries. If good conditions are created, activation of these savings is sufficiently large and it is rewarding regarding the cost-reducing technological change and many civil initiatives. High international prices of fossil fuels create favorable conditions but they are unpredictable whilst the present policy support for energy business and CO2 taxes do not compensate for the low prices. High CO2 taxes could do but meet opposition. Innovations in the USA and EU add value to the energy businesses by USD2005 9.2 billion a year based on average during 2005–2015, which exceeds their RD the projectable cost-reduction reduces the financial risks. Estimates show that the global investments in wind and solar power are efficiently allocated and operations are cost-effective. In addition to the power generation, those renewable energy with storage technologies deliver co-benefits to the energy producers and consumers and business models emerge tuned to the local conditions. The citizens’ participations in energy-efficiency and renewable energy would be enhanced if policies guarantee the annual value of the participants’ savings. Such guarantee would generate tax returns due to more companies and higher value of assets. The citizens participation with policy support enables the global shift to sustainable energy.
全球向低碳经济的转变需要在可再生能源和能源效率方面的年度投资比目前的20052000亿美元增加五倍。讨论如何为这些大额投资提供资金的问题时,特别关注公民的储蓄,因为到目前为止,除了少数国家外,这些储蓄几乎没有被使用。如果创造了良好的条件,这些节约的激活就足够大了,而且在降低成本的技术变革和许多民间举措方面也是值得的。化石燃料的高国际价格创造了有利的条件,但这些条件是不可预测的,而目前对能源业务和二氧化碳税的政策支持并不能弥补低价格。高二氧化碳税可能会遇到反对。美国和欧盟的创新在2005-2015年期间平均每年为能源业务增加200592亿美元的价值,这超过了他们的研发——可预测的成本降低降低了财务风险。据估计,全球对风能和太阳能的投资得到了有效分配,运营具有成本效益。除了发电之外,那些具有存储技术的可再生能源还为能源生产商和消费者带来了共同的利益,商业模式也根据当地情况进行了调整。如果政策保证参与者储蓄的年度价值,公民对能源效率和可再生能源的参与将得到加强。由于更多的公司和更高的资产价值,这种担保将产生纳税申报单。公民的参与和政策支持使全球转向可持续能源。
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引用次数: 11
Cost-Benefit analysis in the context of long horizon projects—a need for a social and holistic approach 长期项目背景下的成本效益分析——需要一种社会和整体的方法
IF 8.6 Pub Date : 2019-07-03 DOI: 10.3934/GF.2019.3.249
A. Malik
Discounting has always been a controversial subject among economists and philosophers yet discounting practice remained an essential element of any public policy. The purpose of this paper is to argue against using the practice of discounting in Cost-Benefit analysis for large engineering/public projects particularly aimed at mitigating the effects of global warming, as it creates bias against the future generation. Using systems thinking approach the paper has counter argued against all the three arguments, used to justify discounting, i.e., pure time preference, the opportunity cost of capital, and risk. The paper has shown intuitively that both the consumption- and the investment-based rationales used to justify discounting are in conflict when we take the holistic approach to the environment. The paper clearly is on a topic of great significance for environmental economists and environmental policy specialists. The perspective taken in the paper is a thought-provoking one with the relevance of “systems thinking” for the discounting debate.
贴现在经济学家和哲学家中一直是一个有争议的话题,但贴现实践仍然是任何公共政策的基本要素。本文的目的是反对在大型工程/公共项目的成本效益分析中使用贴现做法,特别是为了减轻全球变暖的影响,因为这会对未来一代产生偏见。运用系统思维方法,本文反驳了用于证明贴现合理性的三个论点,即纯时间偏好、资本机会成本和风险。该论文直观地表明,当我们对环境采取整体方法时,用于证明折扣合理性的基于消费和投资的理由都是冲突的。这篇论文显然是关于一个对环境经济学家和环境政策专家具有重要意义的话题。本文的观点发人深省,与贴现辩论的“系统思维”相关。
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引用次数: 3
Sustainable finance: political challenges of development and implementation of framework conditions 可持续金融:发展和执行框架条件的政治挑战
IF 8.6 Pub Date : 2019-06-10 DOI: 10.3934/GF.2019.3.237
C. Kemfert, Sophie Schmalz
According to the 2015 Paris Agreement, a long-term goal is the commitment to “making finance flows consistent with a pathway towards low greenhouse gas emissions and climate-resilient development.” Reconciling climate change objectives and financial flows is an enormous challenge in the 21st century. States in general and Germany in particular have various instruments at their disposal to initiate appropriate measures. On the one hand, the state can exert direct influence by orienting its own activities towards sustainability, for example by meeting sustainability standards for investments and participations by public institutions and by anchoring divestment strategies in law. On the other hand, the development of suitable framework conditions is a requirement for encouraging private financial market players towards sustainability. A key requirement for the development of sustainable financial system is a uniform taxonomy of sustainability. Standards and labels for identifying business activities can then be implemented. The development of political framework conditions is currently facing far-reaching challenges at European and national level: There is a risk that current approaches will only be applied to a limited extent. Sustainable investments currently account for approximately 3% of the total market (2017). This article aims to focus on the extent to which policy frameworks currently being developed at national and European level can contribute to the development of sustainable finance. In addition to the challenges of implementing and developing new policy approaches, the limits of existing instruments will be identified. Beyond the indirect influence of the state, investment strategies and criteria of public institutions and procurement are analysed, which represent a direct influence of the state for the development of a sustainable financial sector. A case study on the Divestment Strategies is used for this purpose.
根据2015年《巴黎协定》,一个长期目标是承诺“使资金流动与低温室气体排放和气候适应性发展的道路相一致”。协调气候变化目标和资金流动是21世纪的一个巨大挑战。各国,特别是德国,有各种文书可供其使用,以采取适当措施。一方面,国家可以通过将自己的活动导向可持续性来发挥直接影响,例如,通过达到公共机构投资和参与的可持续性标准,以及通过将撤资战略纳入法律。另一方面,发展适当的框架条件是鼓励私人金融市场参与者实现可持续性的一项要求。可持续金融体系发展的一个关键要求是对可持续性进行统一的分类。然后可以实现用于识别业务活动的标准和标签。政治框架条件的发展目前在欧洲和国家层面面临着深远的挑战:目前的做法有可能只在有限的范围内适用。可持续投资目前约占总市场的3%(2017年)。本文旨在关注目前正在国家和欧洲层面制定的政策框架在多大程度上有助于可持续金融的发展。除了执行和制定新的政策方法的挑战外,还将确定现有文书的局限性。除了国家的间接影响之外,还分析了公共机构和采购的投资战略和标准,这代表了国家对可持续金融部门发展的直接影响。为此,对撤资策略进行了案例研究。
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引用次数: 17
Payment for ecosystem services: could it be sustainable financing mechanism for watershed services in Nepal? 生态系统服务付款:这是否可以成为尼泊尔流域服务的可持续融资机制?
IF 8.6 Pub Date : 2019-06-04 DOI: 10.3934/GF.2019.3.221
K. Aryal, L. Bhatta, P. Thapa, S. Ranabhat, Nilhari Neupane, Jagannath Joshi, K. Shrestha, A. Shrestha
As a stewardship for watershed services, an incentivizing mechanism of payment for ecosystem services (PES) has been increasingly discussed in global policy arena. In this context, various models of incentivizing mechanisms have been implemented as a pilot program. This study assesses the existing financing mechanisms for watershed services at the national level and examines the pilot PES programs that have been implemented in four different sites of Nepal. Using various participatory and qualitative research methods; this study analyses institutional arrangement, operational procedures and implementation practices from the study sites. Our findings reveal that the pilot PES programs have shown fairly satisfactory outcomes in watershed management. Based on our findings, we argue that the PES mechanism can be a promising approach in financing sustainable watershed management in Nepal. Nevertheless, PES mechanism should be flexible and contextual in terms of institutional arrangement and needs to be strengthened with a strong linkage between service providers and service users, through a regulatory mechanism. An intermediary role of the local government is found to be utmost important to institutionalize the PES mechanism as a sustainable financing mechanism for ensuring watershed services in Nepal.
作为流域服务的管理,生态系统服务的激励机制(PES)在全球政策舞台上得到了越来越多的讨论。在这种情况下,各种激励机制模式已作为试点方案实施。本研究评估了国家一级流域服务的现有融资机制,并审查了在尼泊尔四个不同地点实施的PES试点项目。采用各种参与性和定性研究方法;本研究分析了研究地点的制度安排、操作程序和实施实践。我们的研究结果表明,PES试点项目在流域管理方面取得了相当令人满意的成果。根据我们的研究结果,我们认为PES机制可以成为尼泊尔可持续流域管理融资的一种很有前途的方法。尽管如此,PES机制在制度安排方面应该是灵活和有背景的,需要通过监管机制加强服务提供商和服务用户之间的强有力联系。地方政府的中介作用对于将PES机制制度化,作为确保尼泊尔流域服务的可持续融资机制至关重要。
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引用次数: 13
Financing a renewable energy feed-in tariff with a tax on carbon dioxide emissions: A dynamic multi-sector general equilibrium analysis for Portugal 通过二氧化碳排放税为可再生能源上网电价融资:葡萄牙动态多部门一般均衡分析
IF 8.6 Pub Date : 2019-06-01 DOI: 10.3934/GF.2019.3.279
Rui Manuel Pereira, A. Pereira
Renewable energy production subsidies alleviate the pressure on electricity prices associated with carbon and energy pricing policies in the process of decarbonization and electrification of the Portuguese economy. Our simulation results show that a feed in tariff financed by a carbon tax leads to adverse macroeconomic as well as adverse and regressive distributional welfare effects. On the flip side, however, we show that use of the carbon tax revenues to finance a feed in tariff is an improvement over the simple carbon tax case along all the relevant policy dimensions. The feed in tariff mechanism when added to the carbon tax leads to better environmental outcomes at lower costs both in terms of the economic and social justice implications. The policy implications are clear. First, because of its adverse economic and distributional effects, a carbon tax should not be used in isolation. The use of the revenues to finance a feed in tariff dominates the simple carbon tax case in all dimensions. Second, the search for an appropriate recycling mechanisms beyond a feed in tariff is an issue as important as the carbon tax itself as it pertains to the potential reversal of the adverse effects of such a tax.
可再生能源生产补贴减轻了葡萄牙经济脱碳和电气化过程中与碳和能源定价政策相关的电价压力。我们的模拟结果表明,由碳税资助的上网电价会导致不利的宏观经济以及不利的和递减的分配福利效应。然而,另一方面,我们表明,利用碳税收入为上网电价提供资金,在所有相关政策维度上都比简单的碳税案例有所改进。从经济和社会公正的角度来看,如果将上网电价机制与碳税结合起来,就会以更低的成本带来更好的环境结果。其政策含义是显而易见的。首先,由于其不利的经济和分配影响,不应孤立地使用碳税。将税收收入用于补贴上网电价在各方面都主导着简单的碳税案例。其次,在上网关税之外寻找合适的回收机制是一个与碳税本身同样重要的问题,因为它关系到这种税的不利影响的潜在逆转。
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引用次数: 7
Growth, environmental change and business cycles in a multi-regional economy 多区域经济中的增长、环境变化和商业周期
IF 8.6 Pub Date : 2019-05-24 DOI: 10.3934/GF.2019.2.205
Wei-bin Zhang
The purpose of this is to examine multi-regional dynamics with wealth and pollutant accumulation over time. The paper generalizes the dynamic model by Zhang (2016). It treats regional amenities endogenous variables dependent on the region’s population and level of pollutants. Regional differences in productivities and amenities are important for modelling regional agglomeration. The government decides environmental tax rates on production, consumption, wealth, income from wealth and housing. The economy is perfectly competitive. The dynamics of -region economy is described by differential equations. We demonstrate business cycles due to different exogenous periodic perturbations in the multi-regional economy
其目的是考察财富和污染物随时间积累的多区域动态。本文对张(2016)的动力学模型进行了推广。它处理了取决于该地区人口和污染物水平的区域便利设施内生变量。生产力和便利设施的区域差异对于区域集聚的建模非常重要。政府决定生产、消费、财富、财富收入和住房的环境税率。经济是完全有竞争力的。用微分方程描述了区域经济的动力学过程。我们展示了多区域经济中不同外生周期性扰动导致的商业周期
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引用次数: 1
Do clean energy (equity) investments add value to a portfolio? 清洁能源(股权)投资能为投资组合增加价值吗?
IF 8.6 Pub Date : 2019-05-02 DOI: 10.3934/GF.2019.2.188
G. Shrimali
Investment in renewable energy needs to increase significantly to address climate change. Large institutional investors with huge asset bases, such as pension funds, mutual funds, insurance companies, and sovereign wealth funds, can be a prime potential source of capital for renewable energy. One way to ensure increased investment commitment from such investors is for them to treat clean energy as a separate asset class in their portfolios. Through this paper, our aim is to present initial insights into the potential effect the addition of clean energy listed equity as a separate asset class can have on existing portfolios. We focus on the value of listed renewable energy equity in a static portfolio optimization problem. Our main finding is that treating renewable energy listed equity as a separate asset class within an investor's portfolio does not appear to add value to that portfolio. On one hand, this may reflect the need for applying more sophisticated techniques to show value. On the other hand, it may also imply that governments, policy makers, and regulators must keep working to ensure the clean energy sector is conducive to mainstream investment.
应对气候变化需要大幅增加对可再生能源的投资。拥有庞大资产基础的大型机构投资者,如养老基金、共同基金、保险公司和主权财富基金,可以成为可再生能源的主要潜在资本来源。确保这些投资者增加投资承诺的一种方法是,将清洁能源视为投资组合中的一个单独资产类别。通过这篇论文,我们的目的是初步了解将清洁能源上市股票作为一个单独的资产类别添加对现有投资组合的潜在影响。我们关注的是一个静态投资组合优化问题中上市可再生能源股权的价值。我们的主要发现是,将可再生能源上市股票视为投资者投资组合中的一个单独资产类别,似乎不会为该投资组合增加价值。一方面,这可能反映出需要应用更复杂的技术来展示价值。另一方面,这也可能意味着政府、政策制定者和监管机构必须继续努力,确保清洁能源行业有利于主流投资。
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引用次数: 2
An analysis of financial support, technological progress and energy efficiency:evidence from China 金融支持、技术进步与能源效率分析——来自中国的证据
IF 8.6 Pub Date : 2019-04-22 DOI: 10.3934/GF.2019.2.174
Gaoke Liao, B. Drakeford
In order to explore the nonlinear relationship between financial support, technological progress and energy efficiency, a panel smooth transition regression (PSTR) is developed to analyze the impact of financial support and technological progress on the energy efficiency. Based on panel data of 30 provinces in China from 2003 to 2016, the total-factor energy efficiency of 30 province-level divisions in China are evaluated using Data Envelopment analysis (DEA). The results show that financial support and technological progress are generally conducive to increasing energy efficiency. However, the increment effect of financial support and technological progress on energy efficiency transitions smoothly between high and low regimes with the changes of the transition variables, such as local government expenditure; foreign direct investment, energy structure and industrial structure. Therefore, the results emphasize the need for enhancing financial support and technological progress in increasing energy efficiency.
为了探究金融支持、技术进步和能源效率之间的非线性关系,本文采用面板平滑过渡回归(PSTR)方法分析了金融支持和技术进步对能源效率的影响。基于2003 - 2016年中国30个省份的面板数据,采用数据包络分析(DEA)对中国30个省级区划的全要素能源效率进行了评价。结果表明,资金支持和技术进步总体上有利于提高能源效率。财政支持和技术进步对能源效率的增量效应随着地方政府支出等过渡变量的变化而平稳过渡;外商直接投资、能源结构和产业结构。因此,研究结果强调在提高能源效率方面需要加强财政支持和技术进步。
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引用次数: 22
Relationship between shadow and green economy: less shadow more green 影子与绿色经济的关系:少影子多绿色
IF 8.6 Pub Date : 2019-04-18 DOI: 10.3934/GF.2019.2.130
B. Novkovska
Main aim of this work is to determine the relative efficiency of the hidden (shadow) economy (r) with respect to the regular economy. National economies of different size and level of development have been studied (Macedonia, Albania, Croatia, Bosnia and Herzegovina, Israel, Czech Republic, Hungary, Switzerland and United States). Sophisticated energy consumption method was used in calculations. It is found that the ratio r for different economies varies in a large range from 0.14 to 0.70, covering almost the entire interval of theoretically expected values (from 0 to 1). Therefore, world economies differ substantially not only by the size of the hidden economy, but also by the efficiency of the use of energy resources in it. It is expected that the measures leading to the reduction of hidden economy will also provide significant increase of the efficient use of energy and expectedly various other resources. Interventions in the sector of the hidden economy aiming at greener production of energy appear to be particularly important for the ongoing transition to green economy, since it consumes a large part of the total energy due to the low energy efficiency in this sector. In conclusion, in creating policies aimed to cope with the hidden economy, both aspects—the size and the energy efficiency are to be taken into account.
这项工作的主要目的是确定隐藏(影子)经济(r)相对于常规经济的相对效率。研究了不同规模和发展水平的国民经济(马其顿、阿尔巴尼亚、克罗地亚、波斯尼亚和黑塞哥维那、以色列、捷克共和国、匈牙利、瑞士和美国)。计算中使用了复杂的能耗方法。研究发现,不同经济体的比率r在0.14至0.70的大范围内变化,几乎涵盖了理论预期值的整个区间(从0到1)。因此,世界经济体的差异不仅在于隐性经济的规模,还在于隐性经济中能源资源的使用效率。预计减少隐性经济的措施也将显著提高能源和各种其他资源的有效使用率。对隐性经济部门的干预,旨在实现更绿色的能源生产,似乎对正在进行的向绿色经济的过渡特别重要,因为由于该部门的能源效率低,它消耗了总能源的很大一部分。总之,在制定旨在应对隐性经济的政策时,需要考虑两个方面——规模和能源效率。
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引用次数: 6
Green economy: mobilization of international capital for financing projects of renewable energy sources 绿色经济:调动国际资本为可再生能源项目融资
IF 8.6 Pub Date : 2019-04-15 DOI: 10.3934/GF.2019.2.94
B. Ilic, D. Stojanović, Gordana Djukic
The aim of the paper is to analyze the sustainability of green economy financing, to determine how and to what extent green economy is financed in the Republic of Serbia, the countries of the ASEAN Association, and what the economic instruments for achieving green growth are. The emphasis will be placed on green bonds, modern securities, as well as the impact they have on international projects for using renewable energy sources. At the Earth Summit of the United Nations Conference on Environment and Development (UNCED), a plan of action Agenda 21 was adopted. Some time after the adoption of the plan of action, some favorable changes occurred in the models of financing sustainable development and the amounts of international financial transfers were defined in less developed countries of 125 billion dollars a year. Due to international activities, projects of transferring international financial resources were created with the aim of directing them from the developed to underdeveloped countries to help development of green economy. Since Serbia is one of the less developed countries and in the process of transition for a very long time, a specific recommendation for its own green finance projects can be found, based on the practice from modern countries. As an example of an advanced country that is largely on the path of sustainable development and use of renewable energy sources, the authors have taken into consideration Singapore and compared it with Serbia. The paper gives a certain contribution in terms of analyzing the development of green economy in one of the countries of the ASEAN Association (Singapore) and in Serbia, which is only paving its way of sustainable development, the use of renewable energy sources and forms of green finance.
本文的目的是分析绿色经济融资的可持续性,以确定塞尔维亚共和国、东盟国家如何以及在多大程度上为绿色经济融资,以及实现绿色增长的经济工具是什么。重点将放在绿色债券、现代证券,以及它们对利用可再生能源的国际项目的影响。在联合国环境与发展会议(环发会议)地球问题首脑会议上,通过了《21世纪议程》行动计划。在行动计划通过一段时间后,可持续发展的筹资模式发生了一些有利的变化,欠发达国家的国际资金转移额被确定为每年1 250亿美元。由于国际活动的原因,国际金融资源的转移项目应运而生,目的是将国际金融资源从发达国家引导到欠发达国家,帮助发展绿色经济。由于塞尔维亚属于欠发达国家,转型时间较长,可以在借鉴现代国家实践的基础上,为自己的绿色金融项目提出具体建议。作为主要走在可持续发展和利用可再生能源道路上的先进国家的例子,作者将新加坡与塞尔维亚进行了比较。本文在分析东盟国家之一(新加坡)和塞尔维亚的绿色经济发展方面做出了一定的贡献,塞尔维亚只是在为可持续发展、可再生能源的利用和绿色金融的形式铺平道路。
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引用次数: 15
期刊
Green Finance
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