Abstract :
This study aims to examine the effect of bank capital and size on the level of
banking efficiency. The data used in this research is panel data, with the data
collection technique used is archival data analysis. The calculation period starts
from 2011-2021. The sampling method used was purposive sampling method
using 228 samples selected from conventional banking sectors in ASEAN 5
countries. Regression estimation analysis techniques to test theories and find
relationships between variables using panel data regression with a fixed effect
model. The results showed that capital has a positive and significant effect on the
level of bank efficiency, while the size of the bank has a negative and significant
effect on the level of bank efficiency. In the control variables, net interest margin,
diversification, and inflation have a negative and significant effect on the
efficiency level of banks, on the other hand gross domestic product (GDP) has no
effect on bank efficiency levels.