跨海通道对区域联系强度的影响——基于渤海通道建设

Impact of cross-sea passage on regional economic linkage intensity——Based on the construction of the Bohai Strait

渤海海峡跨海通道建设将极大改善环渤海地区交通格局,辽宁省和山东省各城市间的联系强度也会发生变化.基于修正后的引力模型,选取辽宁省14个地级市和山东省17个地级市地区生产总值、年末城镇人口数、城市间综合时间距离以及Krugman指数等指标,测度渤海海峡跨海通道建设对两省各城市间联系强度的影响.结论表明,渤海海峡跨海通道建设将大幅提升两省各城市间联系强度,两省城市间联系强度总量提升2倍,大连与烟台两城联系强度提升近7倍,两省城市间联系强度空间格局改善明显,省内经济重心向通道处偏移,国内外贸易投资也会增加.

The construction of the Bohai Strait cross-seapassage will greatly improve the traffic pattern in the Bohai Rim region,and the intensity of economic linkages between cities in Liaoning province and Shandong province will also be changed.Based on the modified gravity model,selected the GDP of 14 prefecture-level cities in Liaoning province and 17 prefecture-level cities in Shandong province as well as the number of urban population at the end of the year,the comprehensive time distance between cities and Krugman index and other indicators to measure the influence of the economic linkage intensity between Liaoning and Shandong provinces of the construction of the cross-sea passage in the Bohai Strait.The conclusion shows that the construction of the Bohai Strait cross-sea passage will greatly increase the economic linkage intensity between cities of the two provinces.The total economic intensity of the two provinces will increase by two times,and the relationship between Dalian and Yantai will increase by nearly 7 times.The spatial pattern of economic linkage intensity will improved significantly,the economic center of gravity in the province will shifted to the channel,and the domestic and foreign trade investment will also increased.