Environmental Economics and Policy Studies

, Volume 18, Issue 2, pp 247–263 | Cite as

Green inventions and greenhouse gas emission dynamics: a close examination of provincial Italian data

  • Ding Weina
  • Marianna Gilli
  • Massimiliano Mazzanti
  • Francesco Nicolli
Research Article Green Growth, Eco Innovation and Sustainable Transitions


Eco-innovation plays a crucial role in reducing carbon emissions. Exploiting the consolidated IPAT/STIRPAT framework, this paper studies whether a relationship exists between green technological change (measured as stock of green patent) and both CO2 emissions and emission efficiency (CO2/VA). To investigate this relation, a rich panel covering 95 Italian provinces from 1990 to 2010 is exploited. The main regression results suggest that green technology has not yet played a significant role in promoting environmental protection, although it improved significantly environmental productivity. Notably, this result is not driven by regional differences, and the main evidence is consistent among different areas of the country.


CO2 emission Technological change Green patents IPAT Environmental performance 

JEL Classification

Q 53 Q 55 



The authors acknowledge financial support of the Italian National Research Project PRIN-MIUR 2010-11 “Climate changes in the Mediterranean area: scenarios, mitigation policies and technological innovation” (2010S2LHSE_002). Usual disclaimers apply.


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Copyright information

© Society for Environmental Economics and Policy Studies and Springer Japan 2015

Authors and Affiliations

  • Ding Weina
    • 1
  • Marianna Gilli
    • 2
  • Massimiliano Mazzanti
    • 2
  • Francesco Nicolli
    • 3
  1. 1.Credit Reference CenterThe People’s Bank of ChinaBeijingChina
  2. 2.Department of Economics and ManagementUniversity of FerraraFerraraItaly
  3. 3.IRCrES/CNRMilanItaly

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