There used to be something called the petrodollar: https://en.wikipedia.org/wiki/Petrodollar_recycling https://en.wikipedia.org/wiki/Petrodollar_recycling The

There used to be something called the petrodollar: https://en.wikipedia.org/wiki/Petrodollar_recycling https://en.wikipedia.org/wiki/Petrodollar_recycling The idea that the major oil producers earned such a windfall that their money immediately would be sent back to the west in form of investment. Today I think it is more complex and the low oil price is both a cause and a symptom of something that is mostly not so good.