Should banks be diversified or focused? Does diversification indeed lead to enhanced performance and, therefore … banks' profitability (ROA) and their portfolio diversification across different industries, broader economic sectors and … geographical regions measured by the Herfindahl Index. To explore this issue, we use a unique data set of the individual bank loan …

risk factors, we separate the bank-specific selection and monitoring abilities from the composition of the loan portfolio …, on average, lower loan losses, (b) the loss rate of a given industry in a bank's loan portfolio is lower if the bank has …

risk factors, we separate the bank-specific selection and monitoring abilities from the composition of the loan portfolio …, on average, lower loan losses, (b) the loss rate of a given industry in a bank's loan portfolio is lower if the bank has …