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Cross-industry productivity growth differences

Ngai, L. Rachel and Samaniego, Roberto M. (2007) Cross-industry productivity growth differences. . School of Economics and Finance, University of Hong Kong, Hong Kong.

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In a multisector model with endogenous knowledge generation we find that long run differences in sectoral productivity growth are mainly driven by receptivity — the extent to which firm research benefits from prior knowledge regardless of the source. R&D intensity also depends on appropriability — the fraction of receptivity that accrues from the firm’s own stock of knowledge. We show that optimal R&D subsidies should target sectors with higher receptivity but lower appropriability. In patent data for 14 US industries appropriability varies less than receptivity, so receptivity is the main factor behind differences in industry TFP growth rates and R&D intensities.

Item Type: Monograph (Discussion Paper)
Official URL:
Additional Information: Economics and Finance Workshop © 2007 L. R. Ngai and R. M. Samaniego
Divisions: Centre for Economic Performance
Subjects: H Social Sciences > HB Economic Theory
JEL classification: O - Economic Development, Technological Change, and Growth > O4 - Economic Growth and Aggregate Productivity > O47 - Measurement of Economic Growth; Aggregate Productivity; Cross-Country Output (Income) Convergence
O - Economic Development, Technological Change, and Growth > O3 - Technological Change; Research and Development > O31 - Innovation and Invention: Processes and Incentives
D - Microeconomics > D2 - Production and Organizations > D24 - Production; Cost; Capital and Total Factor Productivity; Capacity
O - Economic Development, Technological Change, and Growth > O4 - Economic Growth and Aggregate Productivity > O41 - One, Two, and Multisector Growth Models
Sets: Collections > Economists Online
Research centres and groups > Centre for Economic Performance (CEP)
Departments > Economics
Date Deposited: 21 Apr 2008 10:05
Last Modified: 31 Jan 2021 00:22

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