We incorporate a production technology that exhibits increasing returns to scale for small values of the capital stock and diminishing returns for the higher stocks at the firm level in a discrete-time version of Romer s endogenous growth model. We study the social planner s problem where the social production technology exhibits globally increasing returns to scale. The properties of the optimal paths are characterized. It is proved that for a given quality of knowledge technology, the countries can take off if their initial stock of capital is above a critical value. We analyze the effect of three factors on the critical value: initial knowledge, quality of knowledge technology, and level of fixed costs associated with production.
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Volume (Year): 8 (2004) Issue (Month): 02 (April) Pages: 147-161 Download reference. The following formats are available: HTML
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