The speaker says population growth has driven economic growth over the last 50 years, while population and growth in frontier countries have stagnated; he contrasts this with earlier periods when population was not rapidly increasing.

“out there doing stuff to execute those ideas and make valuable output and through most of this time population isn't exploding that has been driving growth for the last 50 years people have argued that growth has stagnated population and frontier countries is also stagnated i think we go back on the hyper exponential growth in population and output right sorry exponential growth in population that causes hyper exponential growth and output yeah”