决定purchasing power of a currency的是什么?

决定purchasing power of a currency的是什么? Americans want to increase the purchasing power of their incomes 那位英语达人翻一下,purchasing power of incomes to raise wage means increasing purchasing power.为什么 英语翻译indiaImports:$224.1 billion f.o.b.(2007 est.)Exports:$140.8 billion f.o.b.(2007 est.)revenues:$145.2 billionexpenditures:$182.4 billion (2007 est.)GDP (purchasing power parity):$2.965 trillion (2007 est.)GDP (official exchange rate):$1.09 在purchasing-power parity情况下,real exchange rate 是不是=1? 英语翻译Economic FactorsThe economic environment consists of factors that affect consumer purchasing power and spending patterns and it depends on income level,price,savings,and availability of credit.The purchasing power of people hence,has beco 请帮忙翻译此句：The purchasing power of ..,并分析此句子结构The purchasing power of money must remain fairly constant time for it to function as a standard of deferred payment. And many Chinese people,possessing much more purchasing power compared to before,would love to take the bite. Global purchasing purchasing your Money also functions as a store of value; it is a ___ of purchasing power over time.A repository Bdepositor C repertory D repercussion 英语：这些金融词汇用汉语如何正确表达?Purchasing power parityOvershootingMarket efficiencyReal interest ParitySwapLaw of one priceCovered interest parityUncovered interest parityHedging 英语翻译The purchasing power of the European population remains extremely high,which provides superlative future business opportunities!请翻译整句话。 power power power power