AUTHOR=Zhang Jiefei , Ge Kexin , Wang Li 

TITLE=Beyond patent counts: a comprehensive assessment of environmental protection tax effects on innovation quality and quantity

JOURNAL=Frontiers in Environmental Science

VOLUME=Volume 13 - 2025

YEAR=2025

URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2025.1543949

DOI=10.3389/fenvs.2025.1543949

ISSN=2296-665X