The Price Normalization Problem in Imperfect Competition and the Objective of the Firm
AbstractGeneral equilibrium models of oligopolistic competition give rise to relative prices only without determining the price level. It is well known that the choice of a numÃraire or, more generally, of a normalization rule converting relative prices into absolute prices entails drastic consequences for the resulting set of Nash equilibria when firms are assumed to maximize profits. This is due to the fact that changing the price normalization amounts to altering the objective functions of the firms. Clearly, the objective of a firm must not be based on price normalization rules void of any economic content. In this paper we propose a definition of the objective of a firm, called maximization of shareholders' real wealth, which takes shareholders' demand explicitly into account. This objective depends on relative prices only. Real wealth maxima are shown to exist under certain conditions. Moreover, we consider an oligopolistic market and prove the existence of a Nash equilibrium in which each firm maximizes the real wealth of its shareholders.
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Bibliographic InfoPaper provided by University of Vienna, Department of Economics in its series Vienna Economics Papers with number vie9616.
Date of creation: Nov 1996
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- Birgit Grodal & Egbert Dierker, 1999. "The price normalization problem in imperfect competition and the objective of the firm," Economic Theory, Springer, vol. 14(2), pages 257-284.
- Egbert Dierker & Birgit Grodal, 1998. "The Price Normalization Problem in Imperfect Competition and the objective of the Firm," CIE Discussion Papers 1998-08, University of Copenhagen. Department of Economics. Centre for Industrial Economics.
- Egbert Dierker & Birgit Grodal, 1996. "The Price Normalization Problem in Imperfect Competition and the Objective of the Firm," Discussion Papers 96-05, University of Copenhagen. Department of Economics.
- D21 - Microeconomics - - Production and Organizations - - - Firm Behavior: Theory
- D42 - Microeconomics - - Market Structure and Pricing - - - Monopoly
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