1. With a total population of 17 million this translates to approximately 12 million users in 2017. (iii) The annual median WTA is ?817.56, and this is taken as the appropriate price for valuing the smartphone cameras; the purchase price of the camera component of the phone is assumed to be very small, so is treated as approximating zero for simplicity. With these assumptions, total income can be calculated for 2017 as nominal GDP plus the value of the smartphone cameras. The total income quantity index between the end of References Ahmad;N;This is the arithmetic percentage point difference between the growth in GDP-B and official real GDP growth. It is calculated by assuming the following: (i) Smartphones with cameras appeared from,2008
2. The Welfare Effects of Social Media (No. w25514);H Allcott;National Bureau of Economic Research,2019
3. The Economic Theory of Index Numbers;R G D Allen;Economica,1949
4. National Income and Product Accounts;Bureau of Economic Analysis,2014