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Testing for Market Power in the Norwegian Primary Aluminium Industry

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    Abstract

    The hypothesis of market power in the Norwegian primary aluminium industry is tested using plant-level panel data. Economies of scale are found to be present, and Norwegian aluminium plants charge a procyclical price-cost margin that significantly exceeds zero. Consequently, the simple competitive hypothesis is rejected. The hypothesis that products are differentiated is not rejected, since several plants are found to charge a price permanently over the world market price. A decline in industry concentration internationally, which is assumed to increase the degree of competition, has no significant effect on the price-cost margins of Norwegian plants.

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    File URL: http://www.ssb.no/a/publikasjoner/pdf/DP/dp_132.pdf
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    Bibliographic Info

    Paper provided by Research Department of Statistics Norway in its series Discussion Papers with number 132.

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    Date of creation: Nov 1994
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    Handle: RePEc:ssb:dispap:132

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    Keywords: Market power; Differentiated products; Aluminium industry;

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    Cited by:
    1. Hagem, Cathrine, 2009. "The clean development mechanism versus international permit trading: The effect on technological change," Resource and Energy Economics, Elsevier, vol. 31(1), pages 1-12, January.

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