%0 Journal Article %A Jiaying Zheng %D 2024 %J Journal of Innovations in Economics & Management %@ 3006-6751; 3006-676X %V 5 %N 6 %P 66-78 %T Urban new quality productivity: horizontal measurement, spatiotemporal difference and convergence analysis %U https://www.journal-iem.online/5/6/106 %R 10.69610/j.jiem.2024123102