It is commonly asserted that speculative buying by index funds in commodity futures andover–the–counter derivatives markets created a ‘‘bubble’’ in commodity prices, with the resultthat prices, and crude oil prices, in particular, far exceeded fundamental values at the peak.The...

It is commonly asserted that speculative buying by index funds in commodity futures and over–the–counter derivatives markets created a ‘‘bubble’’ in commodity prices, with the result that prices, and crude oil prices, in particular, far exceeded...