Measuring Knowledge Spillovers: A Non-appropriable Returns Perspective

Jian Li, Kunrong Shen and Ru Zhang
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Kunrong Shen: School of Economics, Nanjing Univerisity
Ru Zhang: Department of Economics, University of California

Annals of Economics and Finance, 2011, vol. 12, issue 2, pages 265-293

Abstract: A new approach is developed to measure knowledge spillovers by means of proportion of non-appropriable returns to social returns, assuming no specific forms of production and knowledge functions. It is complicated theoretically, but very simple and practical empirically. Using PWT 6.3, we find that: 1. the measure of spillovers is nonlinear to income; 2. spillovers do not exist when income is low, but do exist in higher income groups; 3. the elasticity of knowledge is nonlinear to income; 4. spillovers exist even when the elasticity of output to capital is roughly close to direct measure of capital's share.

Keywords: Knowledge spillovers; Measure; Non-appropriable returns; Capital's share; Dynamic OLS (search for similar items in EconPapers)
JEL-codes: D62 O33 O47 (search for similar items in EconPapers)
Date: 2011
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Persistent link: http://EconPapers.repec.org/RePEc:cuf:journl:y:2011:v:12:i:2:p:265-293

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