Abstract:
The industrial organization approach to banking is applied to analyze theeffects of the introduction of joint credit and interbank rate risk on the optimaldecisions on deposits and loans of a competitive bank. It is found that dueto the introduction of both sources of risk there appear direct effects as wellas portfolio effects which jointly determine changes in the bank’s behavior.Moreover, it is shown that there is an interaction between the effects of theintroduction of risk and economies or diseconomies of scope in the bank’sbusiness which determines the extend of behavioral changes.