Weighting on Systemic Important Banking (SIB) in Indonesia: The Official Versus PCA Approaches

In determining its Domestic Systemic Important Banking (D-SIB), Indonesia implemented the Global Systemic Important Banking (G-SIB) based on three of five indicators, those being size, interconnectedness, and complexity. Both the G-SIB and the Indonesian D-SIB use an equal weight for each indicator, that is, 1/5 and 1/3 respectively. However, the weight could be modified by using the eigenvector of the Principal Component Analysis (PCA). We showed that this new weighting system was better than the official weighting system (referred to in this paper as the POJK approach) based on the Financial Services Authority (OJK) regulation No.46/POJK.03/2015.