Abstract:
The present study was conducted to estimate cost efficiency of Islamic Public banks in
Indonesia by using data envelopment analysis (DEA); rank the banks according to their highest and
lowest cost efficiency, and to determine the cost efficiency determinants by defining bank specifics and
macroeconomics factors. It covers quarterly data of 2011.1 - 2014.4 periods from Indonesian central
bank website of the eight Islamic public banks that were selected as the sample of observation. The
results revealed that Bank Victoria Syariah performs the best with the average score of 59.7%, while
Bank BRI Syariah performance was lowest with an average score of 11.1 %, in term of cost efficiency
among all the Islamic public banks in this study.Net operating income, size, and GDP growth rate were
found negatively impact and are statistically significant to cost efficiency, while capital adequacy ratio
has a positive impact and are statistically significant to cost efficiency.
