From the legendary former Fed Chairman and the acclaimed Economist writer and historian, the full, epic story of America's evolution from a small patchwork of threadbare colonies to the most powerful engine of wealth and innovation the world has ever seen. Shortlisted for the 2018 Financial Times and McKinsey Business Book of the Year Award From even the start of his fabled career, Alan Greenspan was duly famous for his deep understanding of even the most arcane corners of the American economy, and his restless curiosity to know even more. To the extent possible, he has made a science of understanding how the US economy works almost as a living organism--how it grows and changes, surges and stalls. He has made a particular study of the question of productivity growth, at the heart of which is the riddle of innovation. Where does innovation come from, and how does it spread through a society? And why do some eras see the fruits of innovation spread more democratically, and others, inclu