Gropp, Reint; Corvoisier, Sandrine - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2009
We estimate the effect of internet penetration on retail bank margins in the euro area. Based on an adapted Baumol [1982] type contestability model, we argue that the internet has reduced sunk costs and therefore increased contestability in retail banking. We test this conjecture by estimating...