A full writeup of this episode, including references and a transcript, is available on our website: https://hearthisidea.com/episodes/nemet Greg Nemet is a a Professor at the University of Wisconsin–Madison in the La Follette School of Public Affairs and an Andrew Carnegie Fellow. He is also the author of How Solar Energy Became Cheap We discuss: The distinct phases that helped solar PV move down its learning curve What lessons we can learn on how to accelerate and affect other technologies Theories about National Innovation Systems and lock-in If you have any feedback, you can get a free book for filling out our new feedback form. You can also get in touch through our website or on Twitter. Consider leaving us a review wherever you're listening to this — it's the best free way to support the show. Thanks for listening!