Historically, 4% of world GDP appeared to be a dangerous threshold. Whenever the world oil spending rose above 4% of world GDP for a sustained period of time, global economy had suffered from major instabilities.
there are increasing warnings about an “oil supply crunch” within the next few years (...) These warnings began just over two years ago, yet the mainstream media have rarely mentioned them, so the public remains largely unaware.
A shortage of oil could be a real problem for the world within a fairly short period of time.
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