Assaf, A. George; Barros, Carlos; Ibiwoye, Ade - In: The Service Industries Journal 32 (2010) 2, pp. 215-229
This study analyses the cost-efficiency of Nigerian banks pre and post the consolidation period. The researchers account for bank heterogeneity using the Bayesian random frontier model, which in this context provides a better fit than the traditional stochastic frontier model. From the...