Green technologies, interdependencies, and policy

Nicolò Barbieri, Alberto Marzucchi and Ugo Rizzo

Journal of Environmental Economics and Management, 2023, vol. 118, issue C

Abstract: The present study explores the technological interdependencies between green and non-green inventions. First, we look at whether inventive activities in environmentally-friendly domains depend on patenting in related technological domains that are not green. Based on patent data filed over the 1978–2014 period, we estimate a spatial autoregressive model using co-occurrence matrices to capture technological interdependencies. Our first finding highlights that the development of green technologies strongly relies on advances in other green and in particular non-green technological domains, whose relevance for the green economy is usually neglected. Building on this insight, we detect the non-green interdependent technologies that co-occur with green ones and assess whether environmental policies affect this particular instantiation of technologies at the country level. The results of the instrumental variable approach confirm that while environmental policies spur green patenting, they do not displace the development of the non-green technological pillars upon which green inventions develop. However, at the same time, environmental policies do not enhance patenting in non-green interdependent technologies which would speed-up the transition towards sustainable economies.

Keywords: Green technology; Patent data; Environmental policy; Network-dependent innovation (search for similar items in EconPapers)
JEL-codes: H23 O31 Q55 Q58 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (16)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jeeman:v:118:y:2023:i:c:s0095069623000098

DOI: 10.1016/j.jeem.2023.102791

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