1 Economics of free mobile applications: Personal data as a monetization strategy Grazia Cecere ∗ , Fabrice Le Guel † , Vincent Lefrere ‡ August 30, 2018 Paper prepared for the 16 th Conference of IAOS OECD Headquarters, Paris, France, 19-21 September 2018 5.F., Day 3, 10h30: Country experiences in measuring well-being (2)