6  For example, Robert Gordon (2016) argues forcefully in his recent book, The Rise and Fall of American Growth: The U.S. Standard of Living since the Civil War (Princeton, N.J.: Princeton University Press), that slow productivity growth is likely to persist.
7  See Ryan A. Decker, John Haltiwanger, Ron S. Jarmin, and Javier Miranda (2016), “Changing Business Dynamism: Volatility of Shocks vs. Responsiveness to Shocks? (PDF)“ unpublished paper, April.