This paper examines firms’ choices to use mobile platforms — namely iOS and Android. Using Crunchbase® data on startups seeking external funding, we find that 16 of 47 business categories are likely to use mobile platforms. 10 of these 16 exhibit no platform preferences, implying...

The mobile app economy comprises two distinct platform markets through which app developers make revenue: app platform and ad platform markets. App sales are facilitated by app platforms, whereas advertising matching is intermediated by ad platforms. Cross-market platform competition exists,...