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Effect of R&D on the productivity of construction enterprises in Vietnam

By Do Khac Thanh (VNP 15)

Supervisor: Dr. Nguyen Huu Dung

Abstract

The study will examine the link and relationship between productivity of construction enterprises in Vietnam and R&D expenditure. R&D capital is measured in a simple way by using available R&D expenditure in the survey and ignoring the accumulation of R&D expenditure in the past, its deflation and obsolescence. A sample of 264 construction firms was drawn from the data set of Vietnam Enterprise Survey conducted by the General Statistics Office in 2005 for analysis. A regression model is estimated based on the Cobb-Douglas production function and the R&D capital model with three main independent variables: physical capital, dummy and R&D capital, and labor variables reflecting type of ownership and size of labor. Research findings show that a positive and significant impact of R&D expenditure on productivity is found with the elasticity of productivity with respect to R&D expenditure per labor is about 0.10. Moreover, the effects of physical capital and labor on productivity are also positively and statistically significant. The elasticity of productivity with respect to physical capital per labor and total labor are around 0.35 and 0.15, respectively.

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