Recently, economists have argued that a bank's importance within the financial system depends not only on its individual characteristics but also on its position within the banking network. A bank is deemed to be "central" if, based on our network analysis, it is predicted to hold the most...

Computers and telecommunications devices may replace paper currency and checks—some day. Indeed, electronic methods of transferring money have become widely used. Recently, however, discussion of “electronic money” has taken a new turn, zeroing in on the extent to which holding new forms...