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这里刊出的天津市主要农副产品商场零售价格指数,是南开大学经济研究所采自天津市区较大的,具有代表性的四号路、烈士路、五爱道、幸福道、资水道五个农贸市场的价格而编制的。这套指数包括8类47种商品价格,每月按旬登记,用简单算术平均法计算出旬和月的平均价格,然后以各月平均价格与基期价格相比(基期为:1979年5月～1980年4月=1),计算出月价格指数。在计算类指数和总指数时,采用了简单几何平均指数公式。年
The retail price index of major agricultural and sideline products in Tianjin was published here. It is a large, representative No. 4 Road, Martyrs Road, Wuai Road, Xingfu Road, and Zishui Road in the Tianjin Institute of Economic Research, Nankai University. The price of a farmers market was compiled. This set of indices includes 8 categories of 47 kinds of commodity prices, which are registered every ten days of the month. The average price of ten days and months is calculated using the simple arithmetic average method, and then the average price of each month is compared with the base price (base period: May 1979). ~ April of 1)), calculate the monthly price index. In calculating the class index and the total index, a simple geometric mean index formula was used. year