ANALYSIS ON INFLUENCE FACTORS OF TOURISM INTERNATIONAL COMPETITIVENESS WITH PCR
用主成分回归方法分析31个省级区域数据，发现旅游国际竞争力受旅游产业因素、区域环境因素和客源地与目的地关联因素影响，其中可达性、旅游企业家能力、旅游资源、经济环境和基础设施是最重要的五个因素。
The paper manily studies influencing factors' relative importance of tourism international competitiveness by Principal Component Regression(PCR) method from quantitatibe point.By related theory,the paper first categorizes main influencing factors into eight quantitative elements and one qualitative element(location).Then,the paper gets every factor's relative contribution rate with 31 provincial regions' cross data as cases by PCR.Three important conclusions are gotten: ①tourism competitiveness is affected by tourism industry factors,regional environmental factors and relating factors between destination and origin;②Location affects region tourism competitiveness significantly;③Five most important factors of affecting tourism international competitiveness in our country are accessibility,capability of tourism entrepreneur,tourism resource,economic environment and basic facilities.