求助英文文献2篇：
1、Teal, R F and Berglund, M.(1987). The impacts of taxicab deregulation in the USA. Journal of Transport Economics and Policy 21(1), 37-56.
2、Agneta Marell  and  Kerstin Westin.    The effects of taxicab deregulation in rural areas in rural areas of Sweden
非常感谢！