Pay-for-performance (P4P) pricing schemes such as pay-per-click and pay-per-action have grown in popularity in Internet advertising. Meanwhile, the traditional pay-per-impression (PPI) scheme persists, and several advertising publishers have started to offer a hybrid mix of PPI and P4P schemes....

Online matching platforms that lack common informational mechanisms such as ratings and reviews often resort to mandatory verification of their users to enhance credibility. However, such mandatory verification may suppress the transmission of useful information for individual users. This study...

Using a data set on individual investments in an online crowdfunding platform for mobile applications, this study examines whether an early investor's experience within the platform serves as credible signals of quality for the other investors in the crowd and if so under what conditions. We...