An endogenous growth model with quality ladders and consumers’ heterogeneity

Antonio Marasco ()

MPRA Paper from University Library of Munich, Germany

Abstract: This paper develops an endogenous growth model with quality ladders where consumers heterogeneity is assumed and is modelled through non homothetic preferences. We show that in such a model, unlike mainstream quality ladders models, the steady state equilibrium is characterised by a duopoly were the state of the art technology and the one immediately below it are both able to survive and thrive, under given conditions for the income distribution. In the words of Schumpeter, this model delivers only partial creative destruction. Furthermore, we show that under duopoly, an increase in the degree of income inequality, raises the intensity of research activities and the growth rate of the economy.

Keywords: Industrial Organization; Income Distribution; Technological Change; Innovation; Growth (search for similar items in EconPapers)
JEL-codes: O40 O30 D40 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-cse and nep-dge
Date: 2002-09, Revised 2007-01
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Persistent link: http://EconPapers.repec.org/RePEc:pra:mprapa:5389

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