%0 Journal Article %A Liu, Guanmei %A Wang, Haijun %A Lang, Xiao %A Yu, Kai %T Hiding or sharing? Technology upgrade, technology spillover and information asymmetry %J RAIRO. Operations Research %D 2022 %P 1917-1945 %V 56 %N 3 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/ro/2022092/ %R 10.1051/ro/2022092 %G en %F RO_2022__56_3_1917_0