一、问题的确定及分析方法(注1) 本文以购买力平价为基础测算一九八九年中国收入水平中等偏上城镇家庭的实际收入和消费水平,并以加元做为衡量标准。以购买力平价测算的一九八九年中国家庭消费总额,与汇率换算的该指标之间的差距就是汇率对中国收入水平中等偏上家庭一九八九年实际消费(注2)的低估程度。为达到上述目的,首先,我们从加拿大统计年鉴中查出了许多商品和服务的加拿大零售价 I. Problem Determination and Analysis Methods (Note 1) This paper estimates the actual income and consumption level of middle-class urban households in China based on purchasing power parity (PPP) in 1989 and uses the Canadian dollar as a measure. The difference between this measure of total household consumption in 1989 in 1989 in terms of purchasing power parity (PPP) and exchange rate conversion is the underestimation of the exchange rate’s actual consumption in 1989 (Note 2) for middle-income Chinese families. To do this, first, we find out from the Canadian Statistical Yearbook that the Canadian retail price of many goods and services