Table IV.

Descriptions of the variables used in the study

VariablesAcronymDefinitionsReferences
Main variables   
Bank performanceROABProfit before tax as a fraction of total assets(Demirgüç-Kunt and Huizinga, 1999; Tan, 2016)
Bank riskLNZSCORENatural logarithm of zscore; where zscore = (ROA plus the ratio of shareholders equity to total assets)/standard deviation of ROA(Iannotta et al., 2007)
 NPLTLIt is the ratio of non-performing loans to total loans(Agoraki et al., 2011)
 LLPNIRThe ratio of loan loss provision to net interest revenue(Baselga-Pascual et al., 2015)
Bank capitalCARIt is the sum of tier-1 and tier-2 capital as a percentage of risk-weighted assets(Bitar et al., 2016)
 ETARThe ratio of total shareholders’ equity to total assets(Zheng et al., 2017)
Bank-specific control variables
LiquidityLIQDThe ratio of total loans to total assets(Goddard et al., 2013)
Cost inefficiencyOETAThe ratio of operating expenses to total assets(Dietrich and Wanzenried, 2011)
Labor productivityLPNet profit after tax generated by per employeeAuthor Idea
Non-traditional activityOFBSTAOff balance sheet items as a fraction of total assets(Rahman et al., 2015)
Income diversificationINCDThe ratio of non-interest income to total income(Tan, 2016; Majumder et al., 2018)
Deposit ratioDPRTotal deposit as a fraction of total assets(Ashraf et al., 2016a)
LeverageLEVTotal liabilities to total assets ratio(Doyran, 2013)
Industry and macro-economic variables
Market powerCONC3The total assets of the largest three banks as a fraction of total assets of the banking sector(Tan, 2016)
Economic growthGGRAnnual GDP growth rate (%)(Baselga-Pascual et al., 2015; Majumder and Uddin, 2017)
Interest rateBLINTBank lending interest rate (%)(Geng et al., 2016)
InflationINFLRAnnual Inflation Rate (%)(Tan and Floros, 2013; Akter et al., 2018)

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