Corrigendum to "Product Line Strategy within a Vertically Differentiated Duopoly" [Econom Lett.137 (2015) 114-117]

Ryoma Kitamura () and Tetsuya Shinkai ()
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Ryoma Kitamura: Graduate School of Economics, Kwansei Gakuin University

No 134-2, Discussion Paper Series from School of Economics, Kwansei Gakuin University

Abstract: Kitamura and Shinkai (KS, (2015)) present Propositions 2 and 3 that characterize graphically rms product line strategies through the quality superiority and the relative cost efficiency ratios in a duopoly model in which rms with different costs supply two vertically differentiated products in the same market. However, we find some typos to be corrected in these propositions. The classification of product line strategy presented in Figure 1 in KS is correct. All other description in KS is also correct.

Keywords: Multi-product firm; Duopoly; Cannibalization; Vertical product differentiation (search for similar items in EconPapers)
JEL-codes: D21 D43 L13 L15 (search for similar items in EconPapers)
Pages: 2 pages
Date: 2015-08, Revised 2016-01
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http://192.218.163.163/RePEc/pdf/kgdp134-2.pdf Revised version, 2016 (application/pdf)

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