Productivity growth has been falling since the 1970’s (except for a brief period in the 1990’s), which could mean continued slow future economic growth. Nobody fully understands why it’s falling; is it just a mirage caused by not properly measuring the innovations and technologies? Or is there a deeper problem with our economy that needs fixing? From our Aspen Forum 2016 Panel on Innovation, Productivity, and Growth, we bring you experts’ attempts to answer one of the greatest economic puzzles: