TV tune-in, namely the preview of forthcoming programs, is an important type of TV advertising. We examine TV tune-in as a continuous variable. First, tune-in can increase profits when TV stations are sufficiently differentiated and the market is partially covered. Second, tune-in crowds out...

Levulinic acid (LA) is considered a very interesting green, biomass derived versatile chemical intermediate with high application potential. Herein, MOF–5 was evaluated as a perspective support to synthesize heterogeneous catalysts with Brønsted acid sites and Lewis acid sites, via simple...

It is common for platforms to have rules for their users to abide. Most times, users of the platform break the rules of the platform, and sometimes they get delisted or removed from the platform. Most platforms own the first party content. To the best of our knowledge, we are the first to study...

For smart phones, most apps and websites use a simplification version of the personal computer version. To the best of our knowledge, we are the first to consider the functionality of apps. We show when the equilibrium functionality is efficient, excessive or insufficient. For the case of...

We propose a framework of utility competition (UC), and we provide the intuition why price competition (PC), quantity competition (QC) and UC differ, and prove it by using a nonlinear demand system. If the network externality is positive, then PC is the most efficient with the lowest equilibrium...