Popp, David; Newell, Richard - In: Energy Economics 34 (2012) 4, pp. 980-991
energy R&D. Linking patent data and financial data by firm, we ask whether an increase in alternative energy patents leads to … a decrease in other types of patenting activity. While we find that increases in alternative energy patents do result in … fewer patents of other types, the evidence suggests that this is due to profit-maximizing changes in research effort, rather …