Although the value of online product recommendations is well established, the relative value of retargeted recommendations (based on individual users' past viewed products) over crowd-based generic recommendations (based on co-views and co-purchases of the crowd) is unclear. Moreover, there is...

We study the impact of electronic markets on small, boutique firms selling presence goods or services – goods or services which must be consumed at the selling firm's location. These firms have recently begun to compete on electronic markets by selling goods and services through local daily...