Tran, O.T.K. and Chu, T.T.T. 2024. Threshold impact of shadow economy on sustainable development in high and low-financial development countries. HO CHI MINH CITY OPEN UNIVERSITY JOURNAL OF SCIENCE - ECONOMICS AND BUSINESS ADMINISTRATION. 14, 3 (Mar. 2024), 109–128. DOI:https://doi.org/10.46223/HCMCOUJS.econ.en.14.3.2899.2024.