Research on the Income Diversity of Employees in Three Industries in China

Based on characteristics of the employee income in China, the writer designs a new index surplusexpectation coefficient to measure the income diversity. Superior to Ginicoefficient and Theilindex to some degrees, this coefficient is more adaptable in China. Employing this coefficient to make an empirical analysis of the income diversity of employees in the three industries in Jiangsu Province, the paper puts forward some constructive suggestions to control the income diversity of employees in the three industries in Jiangsu Province.