Jang, Heesun; Du, Xiaodong - Agricultural and Applied Economics Association - AAEA - 2013
constructed knowledge stocks, to quantify the effects of price- and policy-induced innovations. We quantify the citation … generation process using patent citations and construct the simple and weighted stocks of knowledge with weights of patent … productivity. We confirm that both the supply-the demand-side factors, such as knowledge stock, crude oil price and government R …