Economic incentives for security investment in elements of the Internet is of increasing concern. This paper contains an exploration of the incentives for Internet service providers (ISP)s to invest in security. The analysis focuses on the spillover effects of ISP security investments to other...

Using the example of TikTok's seeming advantage over its rivals Instagram and YouTube, we present a new model of viewers' time allocation that has a flexible form and has platforms competing in quality of entertainment rather than prices. The model allows an analysis of a competition policy that...