A Comment on Yin, Xiangkang and Yew-Kwang Ng: Quantity Precommitment and Bertrand Competition Yield Cournot Outcomes: A Case with Product Differentiation

Posted: 13 Jul 2000

See all articles by Norbert Schulz

Norbert Schulz

University of Wuerzburg - Department of Economics

Abstract

This comment points out a gap in the proof of Theorem 2 contained in the paper by Yin and Ng. It is shown that the price reaction functions in their modelling approach are not continuous for all capacity subgames, contradicting the claim of Lemma 1. Possible remedies are suggested.

JEL Classification: L13

Suggested Citation

Schulz, Norbert, A Comment on Yin, Xiangkang and Yew-Kwang Ng: Quantity Precommitment and Bertrand Competition Yield Cournot Outcomes: A Case with Product Differentiation. Available at SSRN: https://ssrn.com/abstract=231623

Norbert Schulz (Contact Author)

University of Wuerzburg - Department of Economics ( email )

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