How Much Does Innovation Drive Economic Growth?

March 11, 2019

“What’s driving productivity differences over time and across firms and sectors?” Papanikolaou asks. “People say, ‘Oh, it’s innovation, technological change.’ But we don’t have great measures of those things. That’s what motivated our research.” With collaborators Bryan Kelly of Yale, Amit Seru of Stanford, and Matt Taddy of Amazon, Papanikolaou drew on an enormous database of U.S. patents to develop a novel measure of innovation.