SPR Drawdowns and the Price of Oil
Institute for Energy Research , Bio and Archives--July 1, 2011
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As I have written previously on this blog, economic theory suggests that one-shot sales from the Strategic Petroleum Reserve under normal market conditions would be offset by the response of other players in the market, so that releasing oil from the SPR wouldn't depress prices as much as one might have originally thought.
Here's a summary of the argument: People who are sitting on large deposits of oil (the Saudis for example) set their current production rates to maximize the market value of their asset. If a producer extracts and sells more barrels of oil today, he earns more revenue today, but his actions (a) push down the current market price of oil, while (b) leave him with fewer barrels of oil to sell in the future, and therefore also (c) push up the future market price of oil.
Because of reasoning like this, we don't need to worry about all the major oil producers foolishly selling every last barrel of oil this year. That would be a horrible business strategy, because it would crash the current price of oil while leading to $500-a-barrel oil next year. Since the owners of major oil fields are anything but stupid, they plan their operations out decades into the future. Rather, they decide on current production rates in order to maximize the long-run profitability of their operations.
So if the world oil market were more or less in equilibrium, what effect did the surprise announcement have? All of a sudden, it meant that two million more barrels of oil per day would be coming onto the market, than the major oil producers had previously forecast. That in turn means that the market price of oil in July will be lower (other things equal) than what the major oil producers had anticipated, before hearing the announcement.
Because of the changed circumstances, the original production plans are no longer optimal. Major producers could make more money (in light of the surprise SPR sales) if they reduced their output over the summer months, and deferred the extraction and sale of more of their inventory to the future, after the SPR drawdowns have finished. Even if the total amount of oil hitting the market remained above the original level, private speculators (sensing the prices were artificially low) would have the incentive to buy the excess oil and store it, waiting for prices to return to their normal levels.
If there were no real-world frictions, in principle the SPR announcements would have virtually no effect on oil prices at all. The extra two million barrels coming onto the market from the SPR sales would be perfectly offset by a combination of production cutbacks and private inventory accumulation. Effectively, the Obama Administration would have simply transferred 30 million barrels of its inventories from salt caverns in the southern United States, into the warehouses of private speculators and into the possession of Saudi Arabia in deposits buried under the sand.
Of course, in the real world, there are all sorts of complications with this theoretical benchmark. Oil prices really did drop upon the announcement. But the point remains that economic forces limit the lasting impact that even large-scale inventory sales can have on the world price of crude.
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