%0 Journal Article %A Shahbazi, Kiumars %T The moderating role of economic development level on the innovation-export nexus: evidence from upper middle-income countries %J Economic Modeling %V 18 %N 3 %P 137-158 %D 2025 %R 10.71849/eco.2024.1201296 %U https://sanad.iau.ir/fa/Article/1201296