We provide novel evidence on the effect of smart phone use on road accidents. We exploit variation in phone usage fees in the Netherlands following a change in European Union (EU) roaming regulations implemented in 2017. The growth rate of mobile data roaming increased substantially after the...

In many markets consumers have imperfect information about the utility they derive from the products that are on offer and need to visit stores to find the product that is the most preferred. This paper develops a discrete-choice model of demand with optimal consumer search. Consumers first...