نتایج جستجو برای: developing countries
تعداد نتایج: 541397 فیلتر نتایج به سال:
2004
Petri Rouvinen
Factors determining the diffusion of digital mobile telephony across 200 developed and developing countries in the 1990s are studied with the aid of a Gompertz model. The market size and network effects are found to play more important roles in the developing countries; there is also more need for complementing innovations in, for example, financial and payment systems. Even though the developi...
Journal:
:The Journal of Infection in Developing Countries
2014
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