Study on consumption structure based on of Panel Data mode

To solve the defects of cross-section data or time series data for statistical analysis of econometrics, the paper introduces a powerful econometric tool-Panel-Data model which provides more samples that help to improving the effectiveness of the estimated parameters and deeply analyzes the problem. Taking the important regions of China´s economic development---east China as the object of its study, the paper studies the consumption structure of urban citizens in six provinces and one city in the regions, and establishes nine consumer models, and analyzes the different features of consumption structure of seven different income levels in urban citizens and the characteristics of changing with time. The conclusions play an important role of the prospects in the overall operation of China´s national economy.