'...the book fills an important gap in the literature on business cycles and innovations. I most strongly commend it to all those attempting to understand the past and future evolution of technology and the economy.'

Christopher Freeman, Emeritus Professor, SPRU,
University of Sussex, UK

'...Carlota Perez shows us that historically technological revolutions arrive with remarkable regularity, and that economies react to them in predictable phases. Her argument provides much needed perspective not just on history, but on our own times. And especially on our own information revolution.'

W. Brian Arthur, Santa Fe Institute, New Mexico

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