Journal of Population Economics

, Volume 25, Issue 3, pp 923–953 | Cite as

R&D, human capital, fertility, and growth

  • Frederic TournemaineEmail author
  • Pongsak Luangaram
Original Paper


This paper analyzes how the decisions of individuals to have children and acquire skills affect long-term growth. We investigate a model in which technical progress, human capital, and population arise endogenously. In such an economy, the presence of distortions (such as monopolistic competition, knowledge spillover, and duplication effects) leads the decentralized long-run growth to be either insufficient or excessive. We show that this result depends on the relative contribution of population and human capital in the determination of long-term growth, i.e., on how the distortions affect the trade-off between the quantity of offsprings and the quality of the family members.


R&D Human capital Fertility 

JEL Classification

O31 O41 



We would like to thank Juntip Boonprakaikawe and two anonymous referees for helpful comments and suggestions. The first author is grateful to the University of Nottingham (UK) for its support during the redaction of this paper.


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Copyright information

© Springer-Verlag 2010

Authors and Affiliations

  1. 1.School of Economics and RIPEDUniversity of the Thai Chamber of CommerceBangkokThailand
  2. 2.Faculty of EconomicsChulalongkorn UniversityBangkokThailand

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