Digital and artificial intelligence (AI)-based systems now shape all phases of inter­national migration - from the pre-screening of applications and profiles to border management and the integration of migrants. States, international organisations, and private providers use digital platforms,...

This paper studies how commission rates affect app entry across platforms. We examine an increase in Android game commission rate from 30% to 50% in China in 2014 and its impact on Android and iOS app stores, separately, in a difference-in-differences framework. We find a direct negative entry...

I study the digital market for attention in a freemium mobile game where users choose between paying with money or by watching 30-second video ads. Using unique event-level data, I estimate consumers' supply elasticity of attention. In the aggregate, a one percent higher price increases the...