Viewership of traditional television has decreased in the past decade, particularly among younger viewers. This paper studies the impact of this decline on the U.S. TV advertising industry using a two-sided model that explicitly considers viewers’ demographics. The model incorporates viewers,...

Transaction costs impose a barrier to savings, but lowering them may have smaller impacts than expected due to other constraints, such as psychological biases. Within the context of retirement savings under defined contributions in the privatized pension system in Mexico, we analyze two...