The impact of the world oil price increases of the early 1970s and those that occured in the 1980s, and the corresponding growth in revenue for the Nigerian economy had two major effects. First, it affected the official exchange rates and its determination, hence fiscal developments for the...

The purpose of this paper is to investigate the performance of Turkish (TR) commercialbanking sector. We evaluate the technical efficiency of individual TR banks using the nonparametric frontier methodology, the Data Envelopment Analysis (DEA). To investigate the determinants of efficiency, we...