ppp gdp is good to use when you're comparing the economies of poor countries to rich countries but it's not realistic. What makes more sense, Iran's economy is the same size as Australia's, or it's much smaller than Denmark's ? | ppp gdp is good to use when you're comparing the economies of poor countries to rich countries but it's not realistic. What makes more sense, Iran's economy is the same size as Australia's, or it's much smaller than Denmark's ? |