Product-Variety, Population, Competition, and Growth
This paper analyzes how population and product market competition (PMC) interact with each other in affecting productivity growth. We find that only a fully endogenous growth model with purposeful investment in human capital, an input in the production of intermediate goods, can simultaneously predict (as suggested by the available theoretical/empirical literature) that the relationships between population and economic growth rates and between PMC and economic growth are non-monotonic. The trade-off between specialization-gains and complexity-costs arising from an expansion of product-variety is crucial in determining the sign of these correlations, and the possible complementarity between two key variables in economic growth.
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- Philippe Aghion & Peter Howitt, 2009.
"The Economics of Growth,"
MIT Press Books,
The MIT Press,
edition 1, volume 1, number 9780262012638, August.
- Bucci, Alberto, 2008.
"Population growth in a model of economic growth with human capital accumulation and horizontal R&D,"
Journal of Macroeconomics,
Elsevier, vol. 30(3), pages 1124-1147, September.
- Alberto Bucci, 2007. "Population Growth in a Model of Economic Growth with Human Capital Accumulation and Horizontal R&D," UNIMI - Research Papers in Economics, Business, and Statistics unimi-1049, Universitá degli Studi di Milano.
- Alberto BUCCI, 2009.
"Population, innovation, competition and growth with and without human capital investment,"
Departmental Working Papers
2009-46, Department of Economics, Management and Quantitative Methods at Università degli Studi di Milano.
- Alberto Bucci, 2009. "Population, Innovation, Competition and Growth with and without Human Capital Investment," UNIMI - Research Papers in Economics, Business, and Statistics unimi-1095, Universitá degli Studi di Milano.
- Avner Ahituv, 2001. "Be fruitful or multiply: On the interplay between fertility and economic development," Journal of Population Economics, Springer, vol. 14(1), pages 51-71.
- Howitt, Peter & Griffith, Rachel & Aghion, Philippe & Blundell, Richard & Bloom, Nick, 2005.
"Competition and Innovation: An Inverted-U Relationship,"
4481507, Harvard University Department of Economics.
- Philippe Aghion & Nick Bloom & Richard Blundell & Rachel Griffith & Peter Howitt, 2005. "Competition and Innovation: An Inverted-U Relationship," The Quarterly Journal of Economics, MIT Press, vol. 120(2), pages 701-728, May.
- Philippe Aghion & Nicholas Bloom & Richard Blundell & Rachel Griffith & Peter Howitt, 2002. "Competition and Innovation: An Inverted U Relationship," NBER Working Papers 9269, National Bureau of Economic Research, Inc.
- Philippe Aghion & Nicholas Bloom & Richard Blundell & Rachel Griffith & Peter Howitt, 2002. "Competition and innovation: an inverted U relationship," IFS Working Papers W02/04, Institute for Fiscal Studies.
- Christopher Laincz & Pietro Peretto, 2006. "Scale effects in endogenous growth theory: an error of aggregation not specification," Journal of Economic Growth, Springer, vol. 11(3), pages 263-288, September.
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