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  • Ramana Nanda


Innovation and Entrepreneurship in Renewable Energy. Ramana Nanda, October 2013, Book Chapter. "We document three facts related to innovation and entrepreneurship in renewable energy. Using data from the U.S. Patent and Trademark Office, we first show that patenting in renewable energy remains highly concentrated in a few large energy firms. In 2009, the top 20 firms accounted for over 40% of renewable energy patents in our data. Second, we compare patenting by venture-backed startups and incumbent firms. Using a variety of measures, we find that VC-backed startups are engaged in more novel and..." Link