Comparative Economic Studies

, Volume 57, Issue 1, pp 136–167 | Cite as

Technology Adoption and Growth in sub-Saharan African Countries

  • Evelyn Wamboye
  • Kiril Tochkov
  • Bruno S Sergi


This study analyzes the relationship between information and communication technologies (ICTs) and labor productivity growth in sub-Saharan Africa over the period 1975–2010. The results show that fixed-line and mobile telecommunications have a positive and significant impact on growth after penetration rates reach a certain critical mass. The thresholds are identified using nonparametric methods. Penetrations rates of between 20% and 30% for telephones and 5% for internet usage trigger increasing returns. FDI and openness are found to improve productivity and to help ICTs boost growth. Financial development serves as a possible transmission channel for the growth-enhancing effects of ICTs.


economic growth information and communication technologies labor productivity growth sub-Saharan Africa nonparametric analysis network effects 

JEL Classifications

F43 O19 032 047 055 



The authors would like to thank the Editor, Josef Brada, and two anonymous referees for their helpful comments and suggestions.


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Copyright information

© Association for Comparative Economics 2015

Authors and Affiliations

  • Evelyn Wamboye
    • 1
  • Kiril Tochkov
    • 2
  • Bruno S Sergi
    • 3
    • 4
  1. 1.Business DepartmentPennsylvania State UniversityDuBoisUSA
  2. 2.Department of EconomicsTexas Christian UniversityFort WorthUSA
  3. 3.Harvard UniversityCambridgeUSA
  4. 4.University of MessinaMessinaItaly

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