基于岭回归的上海市社会消费品零售额影响因素分析

Analysis of Influencing Factors on Retail Sales of Consumer Goods in Shanghai Based on Ridge Regression

运用岭回归分析了上海市社会消费品零售额与城镇居民收入、农村居民收入、城镇居民人均消费、农村居民人均生活开支的关系。结果表明:对上海市社会消费品零售额影响最大的是城镇居民人均消费,最小的是农村居民人均生活开支。上海市城镇化率高,城镇居民人均消费比重高,对社会消费品零售额贡献最大。

The relationship between the retail sales of consumer goods and the income of urban and rural residents,the average consumption of urban and the average living expenses of rural residents in Shanghai was analyzed by means of ridge regression.The results show that the biggest impact on the retail sales of consumer goods in Shanghai is the average consumption of urban residents,and the smallest impact is the average living expenses of rural residents.Shanghai has a high urbanization rate and takes up a large proportion of average consumption of urban residents,which contributes most to the retail sales of consumer goods.