Endogenous growth and wave-like business fluctuations

Bambi, Mauro, Gozzi, Fausto and Licandro, Omar (2014) Endogenous growth and wave-like business fluctuations. Journal of Economic Theory, 154 . pp. 68-111. ISSN 0022-0531

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This paper argues that observed long lags in innovation implementation rationalize Schumpeter's statement that “wave-like fluctuations in business ... are the form economic development takes in the era of capitalism.” Adding implementation delays to an otherwise standard endogenous growth model with expanding product variety, the equilibrium path admits a Hopf bifurcation where consumption, R&D and output permanently fluctuate. This mechanism is quantitatively consistent with the observed medium-term movements of US aggregate output. In this framework, an optimal allocation may be restored at equilibrium by the mean of a procyclical subsidy, needed to generate additional consumption smoothing. Finally, a procyclical R&D subsidy rate designed to half consumption fluctuations will increase the growth rate from 2.4% to 3.4% with a 9.6% (compensation equivalent) increase in welfare.

Item Type: Article
RIS ID: https://nottingham-repository.worktribe.com/output/993874
Keywords: Endogenous growth; Endogenous fluctuations; Innovation cycles; Time delays; Medium-term cycles; Hopf bifurcation
Schools/Departments: University of Nottingham, UK > Faculty of Social Sciences > School of Economics
Identification Number: https://doi.org/10.1016/j.jet.2014.08.004
Depositing User: Eprints, Support
Date Deposited: 28 Jun 2016 07:43
Last Modified: 04 May 2020 20:12
URI: https://eprints.nottingham.ac.uk/id/eprint/34424

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