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  • 1.
    Green, Richard
    et al.
    Univ Birmingham, Birmingham B15 2TT, W Midlands, England..
    Hobbs, Benjamin
    Johns Hopkins Univ, Baltimore, MD 21218 USA..
    Oren, Shmuel
    Univ Calif Berkeley, Berkeley, CA 94720 USA..
    Siddiqui, Afzal
    KTH.
    Policymaking benefits and limitations from using financial methods and modelling in electricity markets2010In: Energy Economics, ISSN 0140-9883, E-ISSN 1873-6181, Vol. 32, no 4, p. 749-750Article in journal (Other academic)
  • 2.
    Hesamzadeh, Mohammad Reza
    et al.
    KTH.
    Rosellón, J.
    Gabriel, S. A.
    Vogelsang, I.
    A simple regulatory incentive mechanism applied to electricity transmission pricing and investment2018In: Energy Economics, ISSN 0140-9883, E-ISSN 1873-6181, Vol. 75, p. 423-439Article in journal (Refereed)
    Abstract [en]

    The informationally simple approach to incentive regulation applies mechanisms that translate the regulator's objective function into the firm's profit-maximizing objective. These mechanisms come in two forms, one based on subsidies/taxes, the other based on constraints/price caps. In spite of a number of improvements and a good empirical track record simple approaches so far remain imperfect. The current paper comes up with a new proposal, called H-R-G-V, which blends the two traditions and is shown in simulations to apply well to electricity transmission pricing and investment. In particular, it induces immediately optimal pricing/investment but is not based on subsidies. In the transmission application, the H-R-G-V approach is based on a bilevel optimization with the transmission company (Transco) at the top and the independent system operator (ISO) at the bottom level. We show that H-R-G-V, while not perfect, marks an improvement over the other simple mechanisms and a convergence of the two traditions. We suggest ways to deal with remaining practical issues of demand and cost functions changing over time. 

  • 3. Heydari, Somayeh
    et al.
    Siddiqui, Afzal
    KTH, School of Information and Communication Technology (ICT), Computer and Systems Sciences, DSV.
    Valuing a gas-fired power plant: A comparison of ordinary linear models, regime-switching approaches, and models with stochastic volatility2010In: Energy Economics, ISSN 0140-9883, E-ISSN 1873-6181, Vol. 32, no 3, p. 709-725Article in journal (Refereed)
    Abstract [en]

    Energy prices are often highly volatile with unexpected spikes. Capturing these sudden spikes may lead to more informed decision-making in energy investments, such as valuing gas-fired power plants, than ignoring them. In this paper, non-linear regime-switching models and models with mean-reverting stochastic volatility are compared with ordinary linear models. The study is performed using UK electricity and natural gas daily spot prices and suggests that with the aim of valuing a gas-fired power plant with and without operational flexibility, non-linear models with stochastic volatility, specifically for logarithms of electricity prices, provide better out-of-sample forecasts than both linear models and regime-switching models.

  • 4.
    Oh, Dong-hyun
    KTH, School of Architecture and the Built Environment (ABE), Centres, Centre of Excellence for Science and Innovation Studies, CESIS.
    A metafrontier approach for measuring an environmentally sensitive productivity growth index2010In: Energy Economics, ISSN 0140-9883, E-ISSN 1873-6181, Vol. 32, no 1, p. 146-157Article in journal (Refereed)
    Abstract [en]

    This paper presents an alternative environmentally sensitive productivity growth index to incorporate group heterogeneities into a conventional Malmquist-Luenberger productivity growth index. The proposed approach allows the calculation of both efficiency and technical changes, for economic agents operating under different technologies. Moreover, it also enables the computation of changes in the technological gap between regional and global frontier technologies. The proposed index is employed in measuring productivity growth and its decomposed components in 46 countries between 1993 and 2003. The main finding is that Europe has taken the lead in the world frontier technology and that Asia has attempted to move towards the frontier technology. Subsequent policy implications are provided based on some empirical studies. (C) 2009 Elsevier B.V. All rights reserved.

  • 5.
    Oh, Dong-hyun
    et al.
    KTH, School of Architecture and the Built Environment (ABE), Centres, Centre of Excellence for Science and Innovation Studies, CESIS.
    Heshmati, Almas
    A sequential Malmquist-Luenberger productivity index: Environmentally sensitive productivity growth considering the progressive nature of technology2010In: Energy Economics, ISSN 0140-9883, E-ISSN 1873-6181, Vol. 32, no 6, p. 1345-1355Article in journal (Refereed)
    Abstract [en]

    This study proposes an index for measuring environmentally sensitive productivity growth which appropriately considers the nature of technical change. The rationale of this methodology is to exclude a spurious technical regress from the macroeconomic perspective. In order to incorporate this in developing the index, a directional distance function and the concept of the successive sequential production possibility set are combined. With this combination, the conventional Malmquist-Luenberger productivity index is modified to give the sequential Malmquist-Luenberger productivity index. This index is employed in measuring environmentally sensitive productivity growth and its decomposed components of 26 OECD countries for the period 1970-2003. We distinguish two main empirical findings. First, even though the components of the conventional Malmquist-Luenberger productivity index and the proposed index are different, the trends of rates of average productivity growth are similar. Second, unlike in previous studies, the efficiency change is the main contributor to the earlier study period, whereas the effect of technical change has prevailed over time.

  • 6.
    Siddiqui, Afzal
    et al.
    KTH, School of Information and Communication Technology (ICT), Computer and Systems Sciences, DSV.
    Fleten, Stein-Erik
    How to proceed with competing alternative energy technologies: A real options analysis2010In: Energy Economics, ISSN 0140-9883, E-ISSN 1873-6181, Vol. 32, no 4, p. 817-830Article in journal (Refereed)
    Abstract [en]

    Concerns about CO(2) emissions create incentives for the development and deployment of energy technologies that do not use fossil fuels. Indeed, such technologies would provide tangible benefits in terms of avoided fossil-fuel costs, which are likely to increase as restrictions on CO(2) emissions are imposed. However, a number of challenges need to be overcome prior to market deployment, and the commercialisation of alternative energy technologies may require a staged approach given price and technical risk. We analyse how a firm may proceed with staged commercialisation and deployment of competing alternative energy technologies. An unconventional new alternative technology is one possibility, where one could undertake cost-reducing production enhancement measures as an intermediate step prior to deployment. By contrast, the firm could choose to deploy a smaller-scale existing renewable energy technology, and, using the real options framework, we compare the two projects to provide managerial implications on how one might proceed.

  • 7. Takama, Takeshi
    et al.
    Tsephel, Stanzin
    Johnson, Francis X
    KTH, School of Industrial Engineering and Management (ITM), Energy Technology, Energy and Climate Studies, ECS.
    Evaluating the relative strength of product-specific factors in fuel switching and stove choice decisions in Ethiopia: A discrete choice model of household preferences for clean cooking alternatives2012In: Energy Economics, ISSN 0140-9883, E-ISSN 1873-6181, Vol. 34, no 6, p. 1763-1773Article in journal (Refereed)
    Abstract [en]

    Switching from conventional stoves to modern clean, safe, and efficient stoves will improve health and social welfare for the 2.7 billion people worldwide that lack reliable access to modern energy services. In this paper, we critically review some key theoretical dimensions of household consumer behaviour in switching from traditional biomass cooking stoves to modern efficient stoves and fuels. We then describe the results of empirical research investigating the determinants of stove choice, focusing on the relative strength of product-specific factors across three wealth groups. A stated preference survey and discrete choice model were developed to understand household decision-making associated with cooking stove choice in Addis Ababa, Ethiopia. The study found that, with the exception of price and usage cost factors for the high wealth group, the product-specific factors that were investigated significantly affect stove and fuel choices. The relative strength of factors was assessed in terms of marginal willingness to pay and provides some evidence that consumer preference for higher quality fuels and stoves tends to increase with increasing wealth.

  • 8.
    Wahlström, Marie
    KTH, School of Architecture and the Built Environment (ABE), Urban Planning and Environment.
    Doing good but not that well?: A dilemma for energy conserving homeowners2016In: Energy Economics, ISSN 0140-9883, E-ISSN 1873-6181, Vol. 60, p. 197-205Article in journal (Refereed)
    Abstract [en]

    In this paper the issue of market capitalization of energy efficient buildings is addressed by considering single-family housing in Sweden and through analyzing as to what extent the market price for a house is influenced by its energy performance. Are Swedish homeowners doing well by doing good? We make use of information provided by the Swedish energy performance certificates for single-family homes matched with data on the corresponding transaction prices, household characteristics and attributes of the neighborhood. The resulting database, covering about 77,000 individual observations, is used to analyze the relationship between the price of a house and its energy performance by means of a hedonic model. Unlike most other studies the energy performance is decomposed into energy consumption and several other variables characterizing the energy system. The main question addressed is if there is a price premium for energy efficient housing in Sweden. Our results differ from earlier studies and indicate no price premium related to the energy consumption but substantial premiums for housing attributes that improve the energy efficiency. A likely explanation is that prospective buyers of new homes base their expectations about future energy consumption on those attributes rather than on the energy consumption of the previous owner.

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