In this book, Robert Boyer follows the origins, course and collapse of the "new economy" and proposes a new interpretation of US dynamism during the 1990s. He argues that the diffusion of information and communication technologies is only part of a story that also requires understanding of the...

Using text from 200 million pages of 13,000 US local newspapers and machine learning methods, we construct a 170-year-long measure of economic sentiment at the country and state levels, that expands existing measures in both the time series (by more than a century) and the cross-section. Our...