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Input Price Discrimination and Allocation Effieciency with Vertically Differentiated Final Products

한종희|김찬
산업연구원 (Korea Institute for Industrial Economics and Trade)|2022.12|산업연구(JIET) (Journal of Industrial Economics and Trade)|제6권 제2호|pp. 111-141|DOI 10.23161/jiet.2022.6.2.111

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참고문헌

키워드

경쟁정책Competition policyAntitrust반독점Product differentiation제품 차별화Third-degree price discriminationIntermediate goods market3급 가격차별중간재 시장

초록

This paper reconsiders the question of third-degree input price discrimination assuming a Mussa-Rosen(1978) style vertical differentiation between downstream firms. We show that, in contrast with the traditional analyses of homogeneous goods, input price discrimination can improve the allocation efficiency of differentiated products and with this additional gain total welfare may increase even without an expansion of total quantity. Also, the effect on consumer surplus is quite different from the previous result obtained for price discrimination in a final-good market. These results shed new light on public policy toward input price discrimination.

Abstract

This paper reconsiders the question of third-degree input price discrimination assuming a Mussa-Rosen(1978) style vertical differentiation between downstream firms. We show that, in contrast with the traditional analyses of homogeneous goods, input price discrimination can improve the allocation efficiency of differentiated products and with this additional gain total welfare may increase even without an expansion of total quantity. Also, the effect on consumer surplus is quite different from the previous result obtained for price discrimination in a final-good market. These results shed new light on public policy toward input price discrimination.

참고문헌 (37)

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