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Technological Paradigms and Firms' Interaction

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  • R. Andergassen
  • F. Nardini
  • M. Ricottilli

Abstract

This paper deals with the aggregate effects of small, exogenous but idiosyncratic technological shocks on locally interacting firms. Its main purpose is to model a situation in which technological paradigms emerge through endogenous propagation and diffusion of information leading to an aggregate pattern. We develop a theoretical framework in which large technological correlations emerge due to localised interaction of single firms. The paper states some simple results on spill-over dynamics determined by firms trying to improve their current technology and thus generating new information through investment in R&D and through localised technological search. The first part shows that different growth regimes can arise from the general framework of interaction that we propose. The second part shows that an interesting regime characterised both by long run innovation growth and endogenous short run fluctuations emerges spontaneously.

Suggested Citation

  • R. Andergassen & F. Nardini & M. Ricottilli, 2003. "Technological Paradigms and Firms' Interaction," Working Papers 472, Dipartimento Scienze Economiche, Universita' di Bologna.
  • Handle: RePEc:bol:bodewp:472
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    References listed on IDEAS

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    1. Bak, Per & Chen, Kan & Scheinkman, Jose & Woodford, Michael, 1993. "Aggregate fluctuations from independent sectoral shocks: self-organized criticality in a model of production and inventory dynamics," Ricerche Economiche, Elsevier, vol. 47(1), pages 3-30, March.
    2. Long, John B, Jr & Plosser, Charles I, 1983. "Real Business Cycles," Journal of Political Economy, University of Chicago Press, vol. 91(1), pages 39-69, February.
    3. Andergassen, Rainer & Nardini, Franco, 2005. "Endogenous innovation waves and economic growth," Structural Change and Economic Dynamics, Elsevier, vol. 16(4), pages 522-539, December.
    4. Dupor, Bill, 1999. "Aggregation and irrelevance in multi-sector models," Journal of Monetary Economics, Elsevier, vol. 43(2), pages 391-409, April.
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    Cited by:

    1. Massimo Ricottilli, 2006. "Constraints and Freedom of Action: a fitness trade-off," Working Papers 580, Dipartimento Scienze Economiche, Universita' di Bologna.

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