Source: http://www.devinfo.org/facts_you_decide/8002.htm?IDX=13%27

Source: http://lirneasia.net/2007/04/telecom-sector-contributes-to-lk-economic-growth-while-prices-decline?cp=1

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Mobile Telecommunications and Economic Growth

…the economic impact of communications systems by highlighting its contribution to the organisation of business life, organisation of household and community life, and productivity of firms and workers. Communications systems – particularly those that are two-way (telecoms) rather than one-way (broadcasting) – lower transaction costs and widen buyer and supplier networks. Thus, the authors claim that a solid communications network is a key contributor to social overhead capital (SOC) – roads, telephones, electricity grids, etc. – which is, in turn, crucial for economic growth…

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Macro Environment and Telecommunications

Source: http://cbdd.wsu.edu/kewlcontent/cdoutput/TR501/index.htm

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Telecommunications: The Engine for Economic Development in the New Century

Source: http://dosfan.lib.uic.edu/ERC/economics/statements/970130.html