&gt; Oil price being one particularly topical.<p>The price of oil is set by a cartel...<p>&gt; Sure, in gluts, $0.50 milk per gallon would be great, but in times of say severe drought, $8&#x2F;gallon would be devastating to those people for whom food is a large part of their budgets, or most people.<p>You can&#x27;t stockpile milk, this argument makes no sense.