Intertemporal Efficiency Analysis on Indonesia Islamic Banks: A Window DEA Approach

Introduction to The Problem: Measurement of the level efficiency Islamic banks in Indonesia is widely carried out. But almost no one has done research with DEA window analysis approach.Purpose/Objective Study: This paper aims measure IndonesiaDesign/Methodology/Approach: – Using Data Envelopment Analysis (DEA) method and DEAFindings: shows that included observations from 2011-2016 fluctuated a mean value 63 percent. From perspective stability through several summary statistics such as standard deviation (SD), Long Distance per Window (LDW), Period (LDP) Year (LDY), relatively stable bank Bank SyariahMandiri (BSM) BCA Syariah.