"We use bank stock returns to develop an ex-ante measure of the distortion created by the implicit collective guarantee extended to large U.S. financial institutions. The average return on a stock portfolio that goes long in the largest U.S. commercial banks and short in the smallest banks is...

We investigate the payment card's adoption rate under consumers' and merchants' awareness of network externalities, given two levels of Interchange Fees in a multiagent card market. For the purpose of our research, in multiple instances of the model (scenarios) the investigated effects are...