Imperfect Certification under Cournot Duopoly

Charu Grover () and Sangeeta Bansal
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Charu Grover: Centre for International Trade and Development,Jawaharlal Nehru University

Centre for International Trade and Development, Jawaharlal Nehru University, New Delhi Discussion Papers from Centre for International Trade and Development, Jawaharlal Nehru University, New Delhi, India

Abstract: Environmental quality is often a credence good and consumers are unable to distinguish between green and brown products. The paper aims to investigate the role of certification in providing information about product quality and reducing market inefficiencies when the certification process is imperfect. We consider a duopoly in a vertically differentiated product model where firms compete in quantities. The papers shows that in the absence of labelling, the brown firm drives out the green firm if the cost of producing green product is sufficiently high. If both firms produce positive quantities in the market, the green firm covers a higher market share and obtains larger revenue. We then characterise pooling and separating equilibrium under imperfect certification contingent on certification fee. The paper shows that under imperfect certification, it is not optimal to subsidize certification.

Pages: 34 pages
New Economics Papers: this item is included in nep-bec, nep-com, nep-ene, nep-env, nep-ind and nep-mic
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