A person might think that oil prices would be fairly stable. Prices would set themselves at a level that would be high enough for the majority of producers, so that in total producers would provide enough–but not too much–oil for the world economy. The prices would be fairly affordable for consumers. And economies around the world would grow robustly with these oil supplies, plus other energy supplies. Unfortunately, it doesn’t seem to work that way recently. Let me explain at least a few of the issues involved.