If capital is an essential input, the neoclassical growth model has a steady state with zero capital. From this, one is inclined to conclude that an economy starting without capital can never grow. We challenge this view and claim that, if the production function satisfies the Inada conditions, a take-off is possible even though the initial capital stock is zero and capital is essential. Since the marginal product of capital is initially infinite, the ‘trivial’ steady state becomes so unstable that the solution to the equation of motion involves the possibility of a take-off, even without capital. When it happens, the take-off is spontaneous; there is no causality.
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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number
4943.
Find related papers by JEL classification: N60 - Economic History - - Manufacturing and Construction - - - General, International, or Comparative O11 - Economic Development, Technological Change, and Growth - - Economic Development - - - Macroeconomic Analyses of Economic Development O14 - Economic Development, Technological Change, and Growth - - Economic Development - - - Industrialization; Manufacturing and Service Industries; Choice of Technology O41 - Economic Development, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models
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Swan, Trevor W, 2002.
"Economic Growth,"
The Economic Record,
The Economic Society of Australia, vol. 78(243), pages 375-80, December.
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