一、1980—1987年我国工业成本、价格和利润的变化情况1.工业品出厂价格总的变化情况。自1979年以来,随着经济体制改革和价格改革的进行,我国工业品的出厂价格发生了相当大的变化。这期间,价格的变化可分为两个阶段并各有特点。1980—1984年工业品出厂价格总水平较为平稳,四年共上升了5.2%,但价格结构变化不小。轻工产品出厂价格 I. Changes in China’s Industrial Costs, Prices, and Profits from 1980 to 1987 1. Total changes in ex-factory prices of industrial products. Since 1979, along with the economic restructuring and price reforms, the ex-factory prices of industrial products in China have undergone considerable changes. During this period, the price change can be divided into two stages and each has its own characteristics. The total ex-factory price of industrial products from 1980 to 1984 was relatively stable, with a total increase of 5.2% in four years, but the price structure changed not much. Light industry product ex-factory price