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In this article, using the measurement regression analysis method and 1995-2008 input-output data of Beijing high-tech industry, the author carries out appraising the influencing factor of its technology innovation efficiency. The research results indicate that the technical funds' investment play the leading role on enhancing the innovation efficiency of Beijing high-tech industry. R&D activity personnel's investment, enterprise quantity, industrial openness degree and industrial profit play certain influence on Beijing hightech industry innovation efficiency, and this role was not remarkable.

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