Creative Destruction and Innovative Core: Is Innovation Persistent at the Firm Level? An empirical reexamination from CIS data comparing the propensity score and regression methods

Emmanuel Duguet and Stéphanie Monjon

No 68, Royal Economic Society Annual Conference 2002 from Royal Economic Society

Abstract: At the macroeconomic level, the persistence of innovation allows sustainable growth. But does growth come from the same set of firms or originate always from different innovators? On this point, the assumptions of endogenous growth models differ and innovation persistence at the macroeconomic level can be supported by different firm-level behavioural assumptions. The aim of this article is twofold. First, we evaluate the empirical pertinence of the different views of the dynamics of the innovative process by estimating the degree of innovation persistence at the firm level. Secondly, we explore the determinants of innovation persistence by testing the empirical implications of three theoretical models. We show that the innovation persistence is essential at the firm level and that the origin of the persistence depends on the size of the firm.

Date: 2002-08-29
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