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This paper investigates the time-path of efficiency and productivity change in the case of the Romanian cement industry 1966-1989. The analysis is based on different specifications of stochastic frontier models. The efficiency scores and the time paths of efficiency and technical change are...
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This paper examines if international trade can reduce total welfare in an international oligopoly with differentiated … ; oligopoly ; product differentiation ; transport costs …
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discounts. -- Price discrimination ; oligopoly ; newspapers …
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