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 the model using semi-aggregated data for a panel of euro area …