Jang, Heesun; Du, Xiaodong - In: Journal of Agricultural and Resource Economics 38 (2013) 3
Using patent counts and citation data from 1977 to 2011, we explore the determining factors of innovative activities of the U.S. biofuel industry.We take into account both demand-side factors— such as crude-oil price, government R&D expenditure on biofuel, and federal-level support...