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The development of market power in the Polish power generation sector: A 10-year perspective

机译：波兰发电行业市场力量的发展：十年展望

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摘要

The paper examines how and to which extent consolidation in the Polish power generation sector has affected the potential for market power over the last 10 years. Although this sector has been undergoing liberalisation (privatisation, introduction of TPA regulations and competition etc.), the consolidation efforts shown by Polish governments have resulted in a significant increase in concentration of both installed capacity and production. The methodology applied in this study includes typical ex-post structural and behavioural measures employed to estimate potential for market power, namely: concentration ratios (for the largest and the three largest suppliers), the Herfindahl-Hirschman Index, entropy, Supply Margin Assessment, the Residual Supply Index and the Lerner Index. Furthermore, an analysis based on the Gini coefficient was employed to obtain an insight into inequalities. The results of this study show that governmental decisions led to a significant increase in the potential to exercise market power held by key power generation companies. Of key importance was the 2007 consolidation, resulting in an increase in the HHI to 1374 (in terms of installed capacity) and 1945 (in terms of electricity production). This consolidation resulted in the creation of the first Pivotal Supplier in the Polish power generation sector in 2008.
机译：本文研究了波兰发电行业的整合在过去10年中对市场力量的潜在影响以及作用程度。尽管该行业一直在进行自由化（私有化，TPA法规的引入和竞争等），但波兰政府的整合努力已导致装机容量和生产的集中度大大提高。本研究中采用的方法包括用于估计市场势力的典型事后结构和行为测度，即：集中度（最大和三个最大供应商），赫芬达尔-赫希曼指数，熵，供应保证金评估，剩余供给指数和莱纳指数。此外，基于基尼系数的分析被用来获得对不平等现象的洞察力。这项研究的结果表明，政府的决定导致行使主要发电公司所拥有的市场支配力的潜力大大增加。最重要的是2007年的合并，导致HHI分别增加到1374（按装机容量）和1945（按发电量）。合并后，于2008年在波兰发电行业创建了第一家关键供应商。

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  • 来源
    《Energy Policy》 |2012年第3期|p.136-147|共12页
  • 作者

    Jacek Kaminski;

  • 作者单位

    Mineral and Energy Economy Research Institute of Polish Academy of Sciences, Energy and Environmental Policy Division, 31-261 Krakow, Poland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    market power; oligopoly; structural and behavioural indices;

    机译：市场力量;寡头垄断结构和行为指标;

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