AUTHOR=Xu Han , Wang Siqi , Lei Lei TITLE=Does institutional innovation improve environmental performance? — a quasi-natural experiment based on China’s service trade innovative development pilot policy JOURNAL=Frontiers in Environmental Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2025.1522197 DOI=10.3389/fenvs.2025.1522197 ISSN=2296-665X