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  • Diskussionspapiere 1408 / 2014

    Supplier Fixed Costs and Retail Market Monopolization

    Considering a vertical structure with perfectly competitive upstream firms that deliver a homogenous good to a differentiated retail duopoly, we show that upstream fixed costs may help to monopolize the downstream market. We find that downstream prices increase in upstream firms’ fixed costs when both intra- and interbrand competition exist. Our findings contradict the common wisdom that fixed costs ...

    2014| Stéphane Caprice, Vanessa von Schlippenbach, Christian Wey
  • Externe Monographien

    Strategic Behaviour in Energy Markets: Advances in Complementarity and Multi-Stage Equilibrium Modelling ; Dissertation

    Diese Dissertation untersucht mehrere energiewirtschaftliche Fragestellungen, in denen Marktmacht eine besondere Rolle spielt; mittels spieltheoretischer Ansätze werden die strategischen Interaktionen mathematisch formuliert und anhand numerischer Methoden Gleichgewichte der Spiele identifiziert. Der Beitrag zum wissenschaftlichen Diskurs rund um den Themenbereich Marktmacht in der Energiewirtschaft ...

    Berlin: TU Berlin, 2014, XV, 128 S. | Daniel Huppmann
  • Externe Monographien

    Financial Incentives for Low Carbon Investment: Dissertation

    Zur Bekämpfung des Klimawandels haben politische Entscheidungsträger auf europäischer, nationaler und regionaler Regierungsebene CO2-Reduktionsziele formuliert, die erhebliche Investitionen erfordern. Studien haben zahlreiche Marktbarrieren ermittelt, die diese Investitionen verhindern. Zur Überwindung dieser Barrieren wurden regulatorische, preis- und informationsbasierte Politikinstrumente implementiert. ...

    Berlin: TU Berlin, 2014, X, 102 S. | Anne Schopp
  • Refereed essays Web of Science

    The Welfare Impact of Parallel Imports: A Structural Approach Applied to the German Market for Oral Anti-Diabetics

    We investigate the welfare impact of parallel imports using a large panel dataset containing monthly information on sales, ex-factory prices, and further product characteristics for all 649 anti-diabetic drugs sold in Germany between 2004 and 2010. We estimate a two-stage nested logit model of demand, and on the basis of an oligopolistic model of multi-product firms, we then recover the marginal costs ...

    In: Health Economics 23 (2014), 9, S. 1036-1057 | Tomaso Duso, Annika Herr, Moritz Suppliet
  • Diskussionspapiere 1268 / 2013

    Market Driven Power Plant Investment Perspectives in Europe: Climate Policy and Technology Scenarios until 2050 in the Model EMELIE-ESY

    EMELIE-ESY is a partial equilibrium model with focus on electricity markets. Private investors optimize their generation capacity investment and dispatch over the horizon 2010 to 2050. In the framework of the Energy Modeling Forum 28, we investigate how climate policy regimes affect market developments under different technology availabilities and climate policies on the European power markets. The ...

    2013| Andreas Schröder, Thure Traber, Claudia Kemfert
  • Refereed essays Web of Science

    Targeted Pricing and Customer Data Sharing among Rivals

    It is increasingly observable that competitors in different industries share customer data, which can be used for targeted pricing. We propose a modified Hotelling model with two-dimensional consumer heterogeneity to analyze the incentives for such sharing and its ensuing welfare effects. We show that these incentives depend on the type of customer data and on consumer heterogeneity in the strength ...

    In: International Journal of Industrial Organization 31 (2013), 2, S. 131-144 | Nicola Jentzsch, Geza Sapi, Irina Suleymanova
  • DIW Economic Bulletin 4 / 2014

    Climate Protection through Biochar in German Agriculture: Potentials and Costs

    In recent years, there has been much discussion about biochar - a carbonaceous product made of biomass - as a promising technique for mitigating climate change. In particular, this method has the potential to remove carbon dioxide from the atmosphere for the long term by incorporating biochar into the soil while enhancing soil fertility at the same time. A research project conducted by DIW Berlin calculated ...

    2014| Isabel Teichmann
  • Research Project

    Municipal infrastructure companies against the background of energy policy and demographic change (KOMIED) – Empirical analyses using micro level data of the energy, water and waste sector

    Municipal infrastructure firms are facing major challenges. On the one hand, they are operating under an increased pressure to reduce costs due to growing intensive competition and shifting regulatory processes. On the other hand, they have to fulfill new environmental requirements that result from new energy and climate policy objectives and demographic changes. Recent privatizations have not...

    Completed Project| Firms and Markets
  • Diskussionspapiere 1342 / 2013

    Crop Failures and Export Tariffs

    We analyse a stylized model of the world grain market characterized by a small oligopoly of traders with market power on both the supply and demand side. Crops are stochastic and exporting countries can impose export tariffs to protect domestic food prices. Our first results is that export tariffs are strategic complements and that for poor harvests equilibrium tariffs can explode (shedding some light ...

    2013| Pio Baake, Steffen Huck
  • Refereed essays Web of Science

    Refunding ETS Proceeds to Spur the Diffusion of Renewable Energies: An Analysis Based on the Dynamic Oligopolistic Electricity Market Model EMELIE

    We use a quantitative electricity market model to analyze the welfare effects of refunding a share of the emission trading proceeds to support renewable energy technologies that are subject to experience effects. We compare effects of supporting renewable energies under both perfect and oligopolistic competition with competitive fringe firms and emission trading regimes that achieve 70 and 80% emission ...

    In: Utilities Policy 19 (2011), 1, S. 33-41 | Thure Traber, Claudia Kemfert
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