Maher, M., Mostafa, M. G. A., Awad, E. A. A., Hassan, R. F. M., & Mater, M. A. M. (2026). The debt threshold in the context of debt sustainability: a comparison between Egypt and Japan using the LSTR approach. Technological and Economic Development of Economy, 1-28. https://doi.org/10.3846/tede.2026.28167