Abstract: | The Engel coefficient level, as one of the important standard level of life evaluation of rich and poor, are widely used around the world. This paper study the statistical yearbook data of the Engel coefficient of urban and rural residents in Yulin city at 2013, and noticed that the Engel''s law can not effectively explain some phenomena in the region. The paper researched that Engel''s coefficient was twisted by the calculation results of social security system, the consumer habits, food prices, the effect of various factors on the government control, and so on. |