小型批发零售贸易企业的抽样调查天津财经学院　周恒彤对小型批发零售贸易企业进行抽样调查，其目的在于取得购进、销售、库存的总体总值以及按商品类别划分的分类总值。由于企业经营的商品在类别之间会有交叉，因而对类值的估计有一定难度。此外，怎样充分利用辅助资料提... Sampling Survey of Small Wholesale and Retail Trade Enterprises Tianjin Finance and Economics Institute Zhou Hengyi conducts a sample survey on small wholesale and retail trading companies. Its purpose is to obtain the total value of purchases, sales, and inventory as well as the total value of the classification by product category. As there are crossovers between the categories of commodities that the company operates, there is a certain degree of difficulty in estimating the value of the categories. In addition, how to make full use of auxiliary data to...