The Spillover Effects of Water Supply Infrastructure Development:A Theoretical Model Naoyuki Yoshino, Santi Setiawati, Tifani Husna Siregar, KE Seetharam, Dina Azhgaliyeva Jul 31, 2023 DOI ADBI Page Tifani Husna Siregar Postdoctoral Fellow, Interdisciplinary Research Center for Finance and Digital Economy, King Fahd University of Petroleum and Minerals My research interests include topics in labor economics. Currently, I am also working on the economic effects of fintech.