Innovation in Clean Coal Technologies: Empirical Evidence from Firm-Level Patent Data

Jürgen Kruse () and Heike Wetzel
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Jürgen Kruse: University of Cologne

MAGKS Papers on Economics from Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung)

Abstract: This article empirically analyzes supply-side and demand-side factors expected to affect innovation in clean coal technologies. Patent data from 93 national and international patent offices is used to construct new firm-level panel data on 3,648 clean coal innovators over the time period 1978 to 2009. The results indicate that on the supply-side a firm’s history in clean coal patenting and overall propensity to patent positively affects clean coal innovation. On the demand-side we find strong evidence that environmental regulation of emissions, that is, CO2, NOX and SO2, induces innovation in both efficiency improving combustion and after pollution control technologies.

Keywords: clean coal technologies; innovation; patents; technological change (search for similar items in EconPapers)
JEL-codes: C33 O31 Q40 Q55 (search for similar items in EconPapers)
Pages: 35 pages
Date: 2016
New Economics Papers: this item is included in nep-cse, nep-ene, nep-env, nep-ger, nep-ino, nep-res, nep-sbm and nep-tid
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http://www.uni-marburg.de/fb02/makro/forschung/mag ... 16/15-2016_kruse.pdf First 201615 (application/pdf)

Related works:
Working Paper: Innovation in Clean Coal Technologies: Empirical Evidence from Firm-Level Patent Data (2016)
Working Paper: Innovation in Clean Coal Technologies: Empirical Evidence from Firm-Level Patent Data (2016)
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Persistent link: https://EconPapers.repec.org/RePEc:mar:magkse:201615

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