Incidental charges incurred by UK consumers on their Personal Current Account (PCA) are steep, especially for small amounts of unplanned borrowing and unpaid items. A recent policy mandates major UK banks to send consumers a text message alert of impending charges, allowing them to act before...

We exploit a change in conduct regulation – the Mortgage Market Review (MMR) in 2014 – to estimate the effects of mandatory advice on the choices of UK mortgage borrowers. Focussing on the most affected segment of borrowers, home purchasers, we find that the proportion of advised...

In this paper, I discuss the merits of online experiments for behaviourally informed policy making. The online experiments we have in mind combine elements of laboratory and natural field experiments (RCTs), with a focus on external validity. These experiments are increasingly used to...