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2. Chandler, A.D., 1977. The Visible Hand: The Managerial Revolution in American Business. Belknap Press, Cambridge, MA.
3. Carlaw, G., Lipsey, R.G. A model of GPT-driven sustained growth, in press (manuscript available from: www.sfu.ca/∼rlipsey).
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5. Freeman and Louca 2001, A Time Goes By: From the Industrial Revolutions to the Information Revolutions. Oxford University Press, Oxford.