Technological Progress and Population Growth: Do we have too few children?
Do we have too few children? We intend to address this question. In developed countries, the fertility rate has declined since WWII. This may cause a slowdown in the growth of GDP in developed countries. However, important factors for the well-being of individuals are per capita variables, like per capita growth and per capita consumption. In turn, the rate of technological progress determines the growth rates of per capita variables. If the population size is increasing, the labour inputs for R&D activity increase, and thus speed up technological progress. As individuals do not take account of this positive effect when deciding the number of their own children, the number of children may become smaller than the socially optimal number of children. However, an increase in the number of children reduces the assets any one child owns: that is, there is a capital dilution effect. This works in the opposite direction. We examine this issue using an endogenous growth model where the head of a dynastic family decides the number of children.
|Date of creation:||Jul 2009|
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- Trimborn, Timo & Koch, Karl-Josef & Steger, Thomas M., 2008.
"Multidimensional Transitional Dynamics: A Simple Numerical Procedure,"
Cambridge University Press, vol. 12(03), pages 301-319, June.
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- Timo Trimborn & Karl-Joseph Koch & Thomas Steger, 2008. "Multidimensional Transitional Dynamics: A Simple Numerical Procedure (Mathematica)," QM&RBC Codes 193, Quantitative Macroeconomics & Real Business Cycles.
- Timo Trimborn & Karl-Josef Koch & Thomas Steger, 2006. "Multi-Dimensional Transitional Dynamics: A Simple Numberical Procedure," CESifo Working Paper Series 1745, CESifo Group Munich.
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- Timo Trimborn & Karl-Joseph Koch & Thomas Steger, 2008. "Multidimensional Transitional Dynamics: A Simple Numerical Procedure (Matlab)," QM&RBC Codes 194, Quantitative Macroeconomics & Real Business Cycles.
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University of Chicago - Population Research Center
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- Lutz G. Arnold, 2006. "The Dynamics of the Jones R&D Growth Model," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 9(1), pages 143-152, January.
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