Over the past two years, I written on the Large Productivity Benefit of Telecom Investment, the Strong positive impact of telecom on economic growth in developing countries and Large Productivity Benefit of Telecom Investment in Emerging Markets. Those articles and posts were the result of my finding papers by economists who'd done the hard work of finding data, building models and trying to understand what's happening. Today, I came by another set of interesting papers, thanks to a pointer from Babar Bhatti who blogs at State of Telecom Industry in Pakistan.
The pointer came in a paper by Deloitte done for, and available from, the GSM Association here. What's interesting is this on page 25-26:
Whilst not considered in this report, a further positive impact of the mobile industry is the additional value add created by the mobile communications industry across the economy. This is, where measured, captured by multiplier that captures expenditure in subsequent rounds. The following figure shows the values of multipliers that have been calculated in other studies.
Not all are easily available on the web, but here are the links for the first four studies: