The benefits consumers get from a mobile phone depend on the software apps available to use on that phone. These indirect network effects are especially important since apps are specific to a platform (e.g., iOS or Android) and are often not available on all platforms at once. We measure the...

Based on a game theoretical model I previously developed, I present some evidence of the effect of the unlocked-handset policy recently implemented in Peru based on market analysis and reduced form empirical methods using consumer panel data. Average prices declined since mid 2014, and the...