empirical study on underdeveloped areas in China 城镇化与医疗资源配置：中国欠发达地区实证研究：empirical study on underdeveloped areas in China Empirical study on corruption in transitional China empirical study on soutneast asia an empirical study based on the firms in China an empirical study based on a-share listed companies in China Empirical study on income distribution of listed firms in China Empirical study on the level of natural sciences research in China Empirical study on earnings management of listed companies in China New urbanization in underdeveloped areas