A new study published Thursday suggests that governments could do more to dampen the volatility of oil prices by using their strategic stockpiles of oil to intervene in the market from time to time. Authors Amy Myers Jaffe and Kenneth Medlock of The Baker Institute and Rice University say the number of "non-commercial entities" in oil futures markets has exploded this decade, but argue that governments could minimize the impact of speculators through active use of their strategic stocks.
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