| 释义 |
duopoly|djuːˈɒpəlɪ|
[f. duo- + Gr. πωλ-εῖν to sell, after monopoly.]
A condition in which there are only two suppliers of a certain commodity, service, etc.; the domination of a particular market by two firms. Hence duˈopolist, one member of a duopoly.
1920A. C. Pigou Econ. of Welfare xii. 232 Cournot decided..that the resources devoted to production under duopoly are a determinate quantity, lying somewhere between the quantity that would have been so devoted under simple competition and under simple monopoly respectively. 1951J. R. Winton Dict. Econ. Terms 29 When the total supply of a commodity is produced by two firms or individuals, that state of affairs is known as ‘duopoly’. 1961Guardian 28 Jan. 1/1 He..believes..monopoly is..preferable to the present duopoly—the domination of the magazine industry by two powerful groups. 1965Seldon & Pennance Everyman's Dict. Econ. 132 If a duopolist moves his price above or below the monopoly price he will be worse off because profits are maximized at the monopoly price.
b. transf. Control or domination by two persons or groups.
1959Listener 1 Jan. 4/2 The party duopoly of Britain. 1959Economist 22 Aug. 525/2 As we move from nuclear duopoly to nuclear oligopoly, the range of circumstances in which these weapons could be rationally used becomes narrower.
Add: Hence duopoˈlistic a.
1950Webster Add., Duopolistic. 1951J. S. Bruner in Blake & Ramsey Perception 126 A monopolistic hypothesis is stronger than duopolistic hypotheses. 1976P. R. White Planning for Public Transport vii. 150 Duopolistic competition for peak traffic. 1985Listener 3 Jan. 4/2 David Steel and David Owen..have at least broken the mould of political commentary, by forcing us scribblers out of our duopolistic straitjackets. |