This study explores the relationship between public sector reform (PSR) and the reduction of administrative burdens (ABs), expanding the focus from government-citizen to government-business interactions. It introduces a framework aimed at reducing ABs in business settings, linking PSR to improvements in the business ecosystem. Using enterprise survey data, the study's multivariable regression models demonstrate that government reforms significantly enhance the business ecosystem. Recognising potential endogeneity, the study employs the historical timing of port openings in the ancient China as...