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The Romer model with monopolistic competition and general technologies

Federico Etro ()

Economics Letters, 2019, vol. 181, issue C, 1-6

Abstract: I augment the Romer model of endogenous technological progress with a general CRS production function in labor and intermediate inputs. This determines markups and profits of the innovators in function of the number of inputs. Under imperfect substitutability the economy can converge to a steady state (as under a nested CES technology), replicating the properties of neoclassical growth due to a decreasing marginal profitability of innovation, or to constant growth linear in population growth as in semi-endogenous growth models.

Keywords: Endogenous growth; Technological progress; Monopolistic competition; Variable markups; Solow model (search for similar items in EconPapers)
JEL-codes: E2 L1 O3 O4 (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1016/j.econlet.2019.04.027

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