In this paper we show how interbank market frictions can play an important role in propagating and enhancing the effects of shocks in a currency union, and discuss the efficacy of two unconventional policy measures; multi-period central bank refinance operations and large scale asset purchases....

"This paper studies how capital market imperfections affect the welfare effects of forming a currency union. The analysis considers a bank-only world where intermediaries compete in Cournot fashion and monitoring and state verification are costly. The first part determines the credit market...