The mathematic models are established based on statistical data in this paper to predict the change of income and expense of urban residents and college tuition fee.

本文通过统计数据建立数学模型，对我国不同收入的城镇居民年均收支与大学年均学杂费的变化趋势进行了测算。

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The entrepreneur human capital contributive income models are formed according to different features of the five phases and they are based on the EVA.

针对各个阶段的不同特点分别构建了基于经济增加值（EVA）的企业家人力资本贡献性收益的确定模型；

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This paper analyzes the influence facts and principles of income distribution, builds models to find the available routes and built the multi-route choice model based on probability.

本文分析了影响清分的主要因素和原则，建立有效路径选择模型和基于概率的多路径选择模型。

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Mr Katz says factor-based models suggest trade with poor countries explains only 5% of rising income inequality.

ECONOMIST: The elusive link between trade and wage inequality