This paper shows a vulnerability of the pay-per-click accounting of Google Ads and proposes a statistical tradeoff-based approach to manage this vulnerability. The result of this paper is a model to calculate the overhead cost per click necessary to protect the subscribers and a simple algorithm...

Why do markets boom and crash? Why do fads and social norms start and end? The answer is found in a branch of social science literature called “cascade theory.” Cascade theory explains the observable human behavior of imitation: following the actions of someone else simply because one has...

The objective of this paper is to provide a simple approach endogenizing the welfare reducing or welfare enhancing effect of informative advertising. Using this approach, it is possible to analyse the welfare consequences of a technology shock that reduces unit information costs, and to explain...