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The Macroeconomics of Model T

  • Reto Foellmi
  • Tobias Wuergler
  • Josef Zweim�ller

We study a model of endogenous growth where firms invest both in product and process innovations. Product innovations (that open up completely new product lines) satisfy the advanced wants of the rich. Subsequent process innovations (that decrease costs per unit of quality) transform the luxurious products of the rich into conveniences of the poor. A prototypical example for such a product cycle is the automobile. Initially an exclusive product for the very rich, the automobile became affordable to the middle class after the introduction of Ford's Model T, the car that 'put America on wheels'. We show that an egalitarian society creates strong incentives for process innovations (such as the Model T) whereas an unequal society creates strong incentives for product innovations (new luxuries). We show that the inequality-growth relationship depends on which type of innovative activity drives technical progress, analyzing both the characteristics of and the transition to the balanced growth path.

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Paper provided by Institute for Empirical Research in Economics - University of Zurich in its series IEW - Working Papers with number 459.

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Date of creation: Dec 2009
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Handle: RePEc:zur:iewwpx:459
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  13. Chiaki Moriguchi & Emmanuel Saez, 2006. "The Evolution of Income Concentration in Japan, 1886-2002: Evidence from Income Tax Statistics," NBER Working Papers 12558, National Bureau of Economic Research, Inc.
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  15. Falkinger, Josef & Zweimuller, Josef, 1996. "The cross-country Engel curve for product diversification," Structural Change and Economic Dynamics, Elsevier, vol. 7(1), pages 79-97, March.
  16. Reto Foellmi & Josef Zweimuller, 2006. "Income Distribution and Demand-Induced Innovations," Review of Economic Studies, Oxford University Press, vol. 73(4), pages 941-960.
  17. Kiminori Matsuyama, 2000. "A Ricardian Model with a Continuum of Goods under Nonhomothetic Preferences: Demand Complementarities, Income Distribution, and North-South Trade," Journal of Political Economy, University of Chicago Press, vol. 108(6), pages 1093-1120, December.
  18. Oded Galor & Omer Moav, 2000. "Das Human Kapital," Working Papers 2000-17, Brown University, Department of Economics.
  19. Chiaki Moriguchi & Emmanuel Saez, 2008. "The Evolution of Income Concentration in Japan, 1886-2005: Evidence from Income Tax Statistics," The Review of Economics and Statistics, MIT Press, vol. 90(4), pages 713-734, November.
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