精选优质文档-倾情为你奉上专业英语汇总1. How to define the aggregate(集合) price level? 如何衡量价格指数？Three measures of the aggregate price level are commonly encountered in economic data. (1)The first is the GDP deflator（difleit） (GDP平减指数), which is defined as nominal GDP divided by real GDP. (2)Another popular measure of the aggregate price level is the Producer Price Index (生产者价格指数) which is a measure of the cost of a basket of goods and services bought by firms.(3) The measure of the aggregate pri
