GDP per capita (at PPP) 其中at PPP是什么意思？

来源：百度知道 编辑：UC知道 时间：2024/06/16 11:56:42
翻译文件中一张表格的标注。。
我在网上查了一下，PPP有2个意思：一是公私合伙，一是点对对协议，
但是两个意思与人均GDP连起来都解释不通。。
希望大家不吝赐教。。

购买力平价学说(theory of Purchasing power parity)简称PPP

PPP（purchasing power parity) is defined as amount of a country's currency that is needed to buy the same quantity of local goods and services that can by bought with US dollar in the US.