In this paper, we reanalyze the model described in Pansera et al. [8] when time delays are small. Switch from stability to instability occurs only once, and the occurrence of Hopf bifurcation is analytically shown.

duopoly, R&D, time delay.

Received: December 15, 2021; Accepted: February 25, 2022; Published: March 10, 2022

How to cite this article: Luca Guerrini, A comment on a model with R&D spillover and price competition, Far East Journal of Dynamical Systems 34 (2022), 65-71. http://dx.doi.org/10.17654/0972111822004

This Open Access Article is Licensed under Creative Commons Attribution 4.0 International License

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