%0 Journal Article %A Weixing Ford %A Haipeng Han %A Jie Zheng %T Online-offline competition with heterogeneous consumers: an example for no existence of pure strategy Nash equilibrium %J Contributions to game theory and management %D 2022 %P 41-50 %V 15 %I mathdoc %U http://geodesic.mathdoc.fr/item/CGTM_2022_15_a4/ %G en %F CGTM_2022_15_a4