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Historical data of economic development show that,there exists an inverse relationship between value-added growth rate(VGR)and valueadded rate(VAR),reflecting a trade-off between economic growth speed and efficiency.This paper tries to construct a growth model with intermediate goods taken into consideration,in the neoclassical growth framework to explain it.The proceeding numerical simulation shows that the trade-off fact is also influenced by the substitution elasticity and linkages among firms.