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Transitional Dynamics in Aggregate Models of Innovative Investment

Andrew Atkeson, Ariel Burstein and Manolis Chatzikonstantinou
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Andrew Atkeson: Federal Reserve Bank of Minneapolis
Ariel Burstein: UCLA
Manolis Chatzikonstantinou: UCLA

No 573, Staff Report from Federal Reserve Bank of Minneapolis

Abstract: What quantitative lessons can we learn from models of endogenous technical change through innovative investments by firms for the impact of changes in the economic environment on the dynamics of aggregate productivity in the short, medium, and long run? We present a unifying model that nests a number of canonical models in the literature and characterize their positive implications for the transitional dynamics of aggregate productivity and their welfare implications in terms of two sufficient statistics. We review the current state of measurement of these two sufficient statistics and discuss the range of positive and normative quantitative implications of our model for a wide array of counterfactual experiments, including the link between a decline in the entry rate of new firms and a slowdown in the growth of aggregate productivity given that measurement. We conclude with a summary of the lessons learned from our analysis to help direct future research aimed at building models of endogenous productivity growth useful for quantitative analysis.

Keywords: Endogenous growth; Innovative investment; Transitional dynamics (search for similar items in EconPapers)
JEL-codes: O3 O4 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-gro and nep-ino
Date: 2018-11-30
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DOI: 10.21034/sr.573

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