Innovation, Inequality and a Golden Rule for Growth in an Economy with Cobb-Douglas Function and an R&D Sector

Paul Welfens

No disbei206, EIIW Discussion paper from Universitätsbibliothek Wuppertal, University Library

Abstract: The innovative approach presented introduces a modified neoclassical growth model which includes a new bias of technological progress in a quasi-endogenous growth model in which part of labor is used in the research & development sector. The combination of a macroeconomic production function and a new progress function, plus the assumption that the output elasticity of capital is positively influenced by the size of the R&D sector, sheds new light on innovation and growth as well as income inequality: Thus there is a new approach for explaining Piketty's historical findings of a medium term rise of the capital income share in industrialized countries - both in the earlier and later part of the 19th century and in 1990-2010. In the approach presented herein, the golden rule issues are also highlighted and it is shown that choosing the right size of the R&D sector will bring about maximum sustainable per capita consumption. While the basic new model is presented for the case of a closed economy, one could easily accommodate both trade and foreign direct investment and thereby get a better understanding of complex international investment, trade and FDI dynamics - including with respect to the envisaged Transatlantic Trade and Investment Partnership.

Keywords: Innovation; Growth; Inequality; Golden Rule; Piketty (search for similar items in EconPapers)
JEL-codes: D63 O11 O32 O40 (search for similar items in EconPapers)
Pages: 38 Pages
Date: 2015-03
New Economics Papers: this item is included in nep-cse, nep-gro and nep-ino
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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Related works:
Journal Article: Innovation, inequality and a golden rule for growth in an economy with Cobb-Douglas function and an R&D sector (2015)
Working Paper: Innovation, Inequality and a Golden Rule for Growth in an Economy with Cobb-Douglas Function and an R&D Sector (2015)
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Persistent link: https://EconPapers.repec.org/RePEc:bwu:eiiwdp:disbei206

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