中文摘要：

笔者以山东省为例,运用主成分分析法对近20年山东省省域中心城市经济发展的时空演化特征进行实证研究,并运用多元回归分析方法对区域经济的影响因子进行分析。研究结果表明,山东省城市经济差异明显,整体上呈现出由＂东北—西南＂递减的梯度,经济发展空间格局由＂济南—青岛＂双核结构转变为＂一高多极＂,最后演变为＂北高南低＂与＂东高西低＂。区域政策、人才因素、基础设施等是影响山东省区域差异的主要因子。

英文摘要：

Using the method of principal component,the author makes an empirical analysis of temporal and spatial evolution of regional economic development in provincial center cities of Shandong province in recent twenty years,and the influence factor of the economic difference is also studied by adopting the method of multiple linear regression analysis. The results show that the regional economic differences in Shandong province is significant and the overall pattern of economic space shows a diminishing trend of northeast-southwest,the spatial pattern of economic development transfers from the original double cores Jinan-Qingdao to one high more poles,at last it shows a North high-South low and East high-West low spatial pattern. The important factors are the region policy,the talents and the infrastructures.