A Schumpeterian model of growth and inequality
AbstractThis paper contributes to the analysis of the effects of demand structure on longterm growth. Introducing non-homothetic preferences in an otherwise standard quality- model, we first show that disparities in purchasing power generate positive R&D investment by quality leaders. This result is obtained with complete equal treatment in the R&D field between the incumbent patentholder and the challengers as well as without any concavity in the R&D cost function: in our framework, the incentive for a leader to invest in R&D stems from the possibility for an incumbent having innovated twice in a row to efficiently discriminate between rich and poor consumers displaying differences in their willingness to pay for quality. We hence exemplify a so far overlooked demand-driven rationale for innovation by incumbents. We then move to analyzing the impact of inequalities on long-term growth in our quality-ladder framework, and find that a lower level of wealth disparities always leads to an increase in the long-run growth rate. Finally, we show that beyond this negative impact on growth, inequalities also influence the allocation of the overall R&D effort between incumbents and challengers: a higher level of inequalities will in most cases lead to a bigger share of the overall R&D investment to be carried out by quality leaders.
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Bibliographic InfoPaper provided by Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg in its series Working Papers of BETA with number 2011-20.
Date of creation: 2011
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Growth; Innovation; Income inequalities.;
Other versions of this item:
- Helene LATZER, 2010. "Income inequalities and innovation by incumbents," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2010002, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
- Hélène LATZER, 2013. "Beyond the Arrow effect: income distribution and multi-quality firms in a Schumpeterian framework," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2013004, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
- O3 - Economic Development, Technological Change, and Growth - - Technological Change; Research and Development; Intellectual Property Rights
- O4 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity
- F4 - International Economics - - Macroeconomic Aspects of International Trade and Finance
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Blog mentionsAs found by EconAcademics.org, the blog aggregator for Economics research:
- Price discrimination drives industry leaders to further innovate
by Economic Logician in Economic Logic on 2010-03-03 14:54:00
- Hélène LATZER & Alexandre SIMONS, 2014. "Income distribution, multi-quality firms and patterns of trade," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2014003, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
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