More than a decade after the first Internet boom, U.S. productivity growth has stagnated and the economy has been unable to break out of 2 percent expansion. This situation is testing even the most optimistic of forecasters, but in contrast to our recent guest Robert Gordon, MIT professor Erik Brynjolfsson is unbowed. Brynjolfsson -- who's also director of MIT's Initiative on the Digital Economy, and co-author of the book "The Second Machine Age" -- joins Daniel Moss and Scott Lanman to explain why he thinks the current wave of advances in technology means we don't have to worry about secular stagnation after all.

See omnystudio.com/listener for privacy information.