| The way to realize the sustainable development of regional tourism is to improve the efficiency of tourism development.How to improve the output effect of tourism input elements,make tourism resources fully developed and utilized,and promote the improvement of tourism efficiency,has become the policy goal of local government departments.Tourism activities have spatial mobility,so it is very important to analyze the spatial differentiation and driving factors of tourism efficiency.However,there are few studies on the temporal and spatial evolution and driving factors of tourism efficiency in 14 cities of Guangxi.Most of them only evaluate the tourism efficiency of Guangxi,ignoring the spatial differentiation and driving factors of tourism efficiency in Guangxi.Therefore,this study takes 14 prefecture level cities in Guangxi Zhuang Autonomous Region as the research object,based on the DEA technology decomposition efficiency model with variable returns to scale from the perspective of input,this paper calculates the regional tourism efficiency of 14 cities in Guangxi from 2010 to 2019,and uses the natural break point classification(Jenks)method of Arc GIS to depict the spatial differentiation map of the regional tourism efficiency of 14 cities in Guangxi from 2010 to 2019.In order to show the temporal and spatial evolution of its tourism efficiency more intuitively,finally,using the Geo-Detector model,the spatial and temporal evolution characteristics of the regional tourism efficiency of the 14 cities in Guangxi and the six driving factors that affect their overall tourism efficiency are discussed.The results show that,firstly,the overall regional tourism comprehensive efficiency of the 14 cities in Guangxi shows an upward trend during the ten-year period from 2010 to 2019,and the tourism resources of the 14 cities in Guangxi have achieved good tourism output during the ten-year period from 2010 to 2019.Moreover,the total pure technical efficiency of regional tourism in 14 cities of Guangxi is higher than the comprehensive efficiency,and the scale efficiency of regional tourism in 14 cities of Guangxi is significantly higher than its comprehensive efficiency.Secondly,after using Arc GIS’s natural break point method to outline the spatial differentiation map of tourism efficiency of 14 cities in Guangxi from 2010 to2019,the research finds that Nanning city belongs to the area with high tourism efficiency in most cases,and only a few cases turn into the area with average tourism efficiency,Liuzhou city belongs to the area with low tourism efficiency or the area with average tourism efficiency in most cases,Guilin city is the area with low tourism efficiency,Qinzhou city always belongs to the area with high tourism efficiency,Wuzhou city always belongs to the area with low tourism efficiency,Beihai City in most cases belongs to the area with general tourism efficiency,Qinzhou City has risen from the area with low tourism efficiency to the area with high tourism efficiency in recent years,while Fangchenggang City has always been relatively low in tourism efficiency,Guigang City has always belonged to the area with high tourism efficiency,while Yulin City has been relatively low in tourism efficiency,in recent years,the tourism efficiency of Laibin city and Hechi City has been improved,while Chongzuo City has always been a high tourism efficiency area,in space,the tourism efficiency of Laibin City,Guigang City,Yulin City and Qinzhou City in the central region shows an increasing trend,while that of Wuzhou City in the eastern region shows a decreasing trend.Thirdly,after using the geographic detector model to study the influencing factors of tourism efficiency of 14 cities in Guangxi,it can be concluded that 14 cities in Guangxi have begun to pay attention to the construction and improvement of urban infrastructure in recent ten years.Based on the analysis results of the interaction between the detection factors from 2010 to 2019,it can be found that the interaction of most of the two factors in 2010-2019 has greater impact on the tourism efficiency of Guangxi than the impact of a single factor on the spatial distribution of tourism efficiency of Guangxi.In addition,both the nonlinear enhancement type and the two-factor enhancement type belong to the interaction type of each influencing factor,and the number of influencing factors that interact with other factors on tourism efficiency and produce the two-factor enhancement effect is on the rise.In the result of the interaction type of the detection factors in 2019,Guangxi has increased the driving factors of the government financial support and reduced the driving factors of the scale of tourism reception facilities.Combined with other driving factors,it can be seen that the development of tourism in Guangxi has strengthened the government financial support from 2010 to 2019,and its tourism reception facilities have been improved,at the same time,it is still necessary to continue to pay attention to the strengthening of input factors such as foreign investment,regional economic development,and labor force.Fourthly,the paper puts forward specific tourism sustainable development plans from five aspects: promoting industrial transformation and upgrading,improving the level and depth of foreign exchanges of 14 cities in Guangxi,enhancing the influence of border cities with "port+ border tourism" as the center,realizing the diversified development of Tourism formats,and improving the quality and skills of tourism practitioners. |