Grey Relational Analysis Based on the Joint Development of Regional Economy

Based on the scholars’ research at home and abroad, This study take comprehensive application of gray correlation analysis model and location entropy to analysis the economic relevance and the linkage between regional economic of the cities in Shandong Peninsula. We obtain the results of the economic linkage in different industries and different cities by the gray relational analysis of data of the Shandong Peninsula cities in 2009 and show the corresponding evaluation and analysis of the economic management. This provide a method and draw upon ideas of new decision-making to the analysis of the regional economic development fully and effectively carried out in future, which has a good theoretical and practical value.