Fixed-to-mobile substitution : effects of mobile broadband subscription on fixed broadband termination

Motivation, background and problem statement: Fixed and mobile broadband substitutability has recently been a debate in the telecom industry as the issue affects infrastructure investment decisions of service providers and service obligation regulation decision of telecom authorities. Previous studies have debated over both the definition of substitutability, measurement and the conclusions. Theoretically, substitution is the demand side concept measured using the cross-price elasticity. With a unique dataset, this study takes a simpler approach to examine the fixed-to-mobile substitution. Instead of examining the problem through the estimation of cross-price elasticity, this study estimates the impact of users’ mobile broadband subscription on their decision to terminate fixed broadband subscription...