中文摘要：

KIBS（知识密集型服务业）为国民经济其他行业提供以知识为基础的中间服务和产品，对促进经济增长和产业结构转型与升级有重要意义。本文以香港专业服务业为例，实证分析了KIBS对香港经济增长的影响。研究结果发现：专业服务业对经济增长和劳动生产率具有正向的推动作用。进一步地，专业服务业与其他三个主要行业①的交叉项、专业服务业细分的三大类服务②内部的交叉项均对经济增长产生正向影响，从而说明KIBS对经济增长的正向促进作用。本文的研究结果对我国内地KIBS的发展有借鉴与启示意义。

英文摘要：

KIBS mainly provides knowledge -based services and products for the business processes of other industries, so as to stimulate the national economic growth and transformation and upgrading of industrial structure. Propped up by the research on Hong Kong＇s KIBS, this paper analyzes the impact of KIBS on Hong Kong＇s economic growth. It demonstrates the positive role KIBS has played in promoting the economy. Firstly, the paper confirms the positive influence of professional services on the economic growth and the labor produe- tivity. Besides, it also attributes the economic the other three major industries as well as the services. This paper will provide reference and inland China. growth to the intersection between cross -over items within the three enlightenment significance for the the professional services and segments of the professional development of KIBS in mainland China.