This paper examines the efficiency of commercial banks operating in Sudan using Data Envelopment Analysis (DEA). The purpose of the study is to measure the technical efficiency and scale efficiency in 2012 and 2013.These two years are particularly important as the economy witnessed some major changes after the secession of South Sudan and the loss of more than two thirds of export earnings in oil revenue. Inputs included expenses, deposits and the total assets while outputs included net profits, loans, and investments. Results suggest that there is significant relation between Efficiency and Return on Assets (ROA), Loan to total asset ratio (LOANTA), while bank size effect on efficiency fluctuates between these two years.
Keywords: Data Envelopment Analysis, Pure Technical Efficiency, Scale Efficiency, Sudanese Banks, Islamic Bank, input- output.
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