What is inflation? Why does it happen?

What is inflation? Why does it happen? What is the relationship between high inflation and employment? What is an acceptable level of annual inflation in %? 求解答 不求翻译 英语翻译This inflation is crazy; apples cost double what they did a year ago! why china inflation rate in 2008 is lowest?what's reason? what is w.f.l What is Saudi Arabia labor view on inflation and unemployment沙特阿拉伯对通货膨胀和失业有什么看法 Hence,real GDP is corrected for inflation. What is the weather like in w What's the meaning of core inflation rate 求过程suppose a country has a money demand function(M/P)=KY,where k is a constant parameter.The money supply grows by 12% per year,and the real income grows by 4% per year.a.what is the average inflation rate?b.how would inflation be different if Can you tell me,what is《W-B-X》? What is that?It's a w这一句有哪些错误? 英文经济学问题,关于currency和exchange ratewhat is the effect of a currency appreciation and depreciation to trade,inflation situation,consumption,foreign investment?What different effects will minor fluctuation and major one of the exchange surging inflation inflation readings inflation blues inflation-busting