Aghion, PhilippeAkcigit, UfukHowitt, Peter2019-10-172015Aghion, Philippe, Ufuk Akcigit, and Peter Howitt. 2015. “Lessons from Schumpeterian Growth Theory.” American Economic Review 105 (5): 94–99. https://doi.org/10.1257/aer.p20151067.0002-82821944-7981http://nrs.harvard.edu/urn-3:HUL.InstRepos:41555793en-USJournal Article2019-10-1710.1257/aer.p20151067