Positive analysis on distribution of income in China Positive analysis on the economic effect of income tax in China Study on basic distribution regime in China 并列题名:Positive analysis on the economic effect of income tax in China Distribution of income in China Species diversity and distribution of inland fishes in China 并列题名:Study on basic distribution regime in China Comparative analysis on investment value of listed companies in China Empirical study on income distribution of listed firms in China 并列题名:Species diversity and distribution of inland fishes in China