运用标准差、变异系数、基尼系数、沃尔夫森指数对山东省17个地市的旅游经济发展空间差异与极化进行测度。研究发现：(1)旅游经济发展相对差异不断缩小，绝对差异不断扩大。(2)旅游经济发展呈现出鲁西到鲁东轴向发展差异，三大梯度格局已经形成。(3)旅游经济发达地市主要集中于鲁东，也包括鲁中的部分地市及鲁西南的济宁。(4)旅游经济发展空间极化趋势不断下降，逐步呈现空间均衡发展态势。%Understanding the space-time differences of tourist industry is the precondition to develop tourism economy and tourism planning. This paper is to measure the spatial differences and polarization in tourism economic development of 17 cities in Shandong province using standard deviation, variable coefficient, the Gini coefficient and Wolfson index. As a result, (1) Relative differences are gradually reducing and absolute differences are gradually enlarging. (2) Tourism economy development presents the axial difference between western and eastern Shandong, and three gradient patterns are formulated. (3) Well-developed tourism economy cities are mainly concentrated in eastern Shandong and also some in middle Shandong, and Jining in southwest Shandong, too. (4) Spatial polarization tendency in tourism economy is slowing down, and spatial equilibrium for development tendency is noticeable.
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