Classification of profitability using DEA and cluster analysis: a transnational comparison of South Asian banks
by Parakramaweera Sunil Dharmapala; Piyadasa Edirisuriya
International Journal of Information and Decision Sciences (IJIDS), Vol. 7, No. 3, 2015

Abstract: We propose a method to classify banks as profit-makers, loss-makers or neither by randomising Thompson-Thrall's linked-cone (LC) profit ratios with assurance-regions (AR) in data envelopment analysis (DEA). Thompson et al. (1995) addressed 'profitability' of banks with the introduction of LC-AR profit ratios. We randomise LC-AR and show that randomised profit ratios uncover more profit-makers than Thompson-Thrall's profit ratios. In an application to banks from four South Asian nations, we demonstrate how to do this classification. Then, using cluster analysis with financial ratios and randomised profit ratios, we strengthen the classification of profit-makers and do a comparative study across nations.

Online publication date: Sat, 22-Aug-2015

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