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576 results, from 551
  • 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
  • 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
  • Externe Monographien

    Targeted Pricing and Consumer Data Sharing among Rivals

    Düsseldorf: Düsseldorf Institute for Competition Economics, 2012, 46 s.
    (DICE Discussion Paper ; 60)
    | Nicola Jentzsch, Geza Sapi, Irina Suleymanova
  • Diskussionspapiere 1045 / 2010

    Joint Customer Data Acquisition and Sharing among Rivals

    It is increasingly observable that in different industries competitors jointly acquire and share customer data. We propose a modified Hotelling model with two-dimensional consumer heterogeneity to analyze the incentives for such agreements and their welfare implications. In our model the incentives of firms for data acquisition and sharing depend on the willingness of consumers to switch brands. Firms ...

    2010| Nicola Jentzsch, Geza Sapi, Irina Suleymanova
  • Diskussionspapiere 913 / 2009

    Europe's Twenties: A Study Using the WIATEC Model

    In this paper, we use a computable general equilibrium model (WIATEC) to study the potential impact of implementing Europe's 20-20-20 climate policy. The results show that the economic costs of implementing the policy are only moderate and within the range of recent empirical evidence. Furthermore, they also indicate that there is a possibility that the existing allocations to the Europena sectors ...

    2009| Claudia Kemfert, Hans Kremers, Truong Truong
  • Diskussionspapiere 393 / 2003

    International Market Integration for Natural Gas? A Cointegration Analysis of Prices in Europe, North America and Japan

    We examine the degree of natural gas market integration in Europe, North America and Japan, between the mid 1990's and 2002. The relationship between the international gas marker prices, and their relation to the oil price, are investigated through principal component analysis and Johansen likelihood-based procedures. Both of them show a high level of integration within the European/Japanese and North ...

    2003| Guillaume L¿Hégaret, Boriss Siliverstovs, Anne Neumann, Christian von Hirschhausen
  • Diskussionspapiere 423 / 2004

    The Incentives for Takeover in Oligopoly

    We present a model of takeover where the target optimally sets its reserve price. Under relatively standard symmetry restrictions, we obtain a unique equilibrium. The probability of takeover is only a function of the number of .rms and of the insiders. share of total industry gains due to the increase in concentration. Our main application is to the linear Cournot and Bertrand models. A takeover is ...

    2004| Roman Inderst, Christian Wey
  • Refereed essays Web of Science

    The Incentives for Takeover in Oligopoly

    We present a model of takeover where the target optimally sets its reserve price. Under relatively standard symmetry restrictions, we obtain a unique equilibrium. The probability of takeover is only a function of the number of firms and of the insiders' share of total industry gains due to the increase in concentration. Our main application is to the linear Cournot and Bertrand models. A takeover is ...

    In: International Journal of Industrial Organization 22 (2004), 8-9, S. 1067-1089 | Roman Inderst, Christian Wey
  • Externe Monographien

    International Market Integration for Natural Gas? A Cointegration Analysis of Prices in Europe, North America and Japan

    Cambridge, MA: CEEPR, 2004, 25 S.
    (CEEPR Working Papers ; 2004-002)
    | Guillaume L'Hégaret, Boriss Siliverstovs, Anne Neumann, Christian von Hirschhausen
  • Refereed essays Web of Science

    The Environmental and Economic Effects of European Emissions Trading

    In this article, we analyse the effects of emissions trading in Europe, with special reference to Germany. We look at the value of the flexibility gained by trading compared to fixed quotas. The analysis is undertaken with a modified version of the GTAP-E model using the latest GTAP version 6 database. It is based on the national allocation plans (NAP) as submitted to and approved by the EU. We find ...

    In: Climate Policy 6 (2006), 4, S. 441-455 | Claudia Kemfert, Michael Kohlhaas, Truong P. Truong, Artem Protsenko
576 results, from 551
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