文章以西南四省（区）及其地市为研究单元，利用加权变异系数、基尼系数、泰尔系数等方法，以2003-2012年西南四省（区）的国内旅游收入和旅游外汇收入为分析对象，揭示西南四省（区）区域经济差异和空间演变过程。结果表明：总体上旅游经济的省际差异逐渐缩小，国内旅游对旅游经济的影响较大，但入境旅游省际间的差异变化大并逐渐增强。各省（区）内城市间旅游总收入和国内旅游收入的差异大，但随时间逐渐缩小；入境旅游发展水平差异大且表现各异；省内差异是造成旅游经济空间差异的主要原因。%Based on the data of both domestic tourism income and inbound tourism economy of four provinces in Southwest China from 2003-2012, by using the method of CV, Gini and Theil, the evolvement of the spatial-temporal variation of the tourism earning in these four provinces reveals the economic differences. The con-sequence shows that 1)the overall differences in tourism income between the four provinces is shrinking; domestic tourism earning have a strong influence on tourism economy, however the gap of inbound visiting between provinces is enlarging and enhancing; 2) There exists large differences in the total tourism income and domestic tourism economy however is getting to the same point;the level of foreign exchange earnings gaps, features are totally not the same type among the cities in four provinces; the main reason causing spatial-temporal tourism economy differences is the differ-ent performance of the cities.
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