Sufficient refinery capacity has as much influence on gasoline prices as fluctuations in the price of oil so if Americans want stable gasoline prices and almost no dependence on oil from outside North America, we need more refineries.
"The historic response, if you like, is has always been to look to subsidize, to insulate the impact of the fluctuations of exchange rates and commodity prices by looking to subsidize ... things like bread, " Hanna told CNN.
The other lines have tended to cancel out except at times of very marked fluctuations in energy prices.
That may be a good thing: the mine typically accounts for one-sixth of Mongolia's tax revenues, and fluctuations in copper prices deliver devastating shocks to the economy.
Its profits aren't expected to be as strong next quarter because of the seasonal demand for natural gas and softer crude oil prices, but analysts say oil and gas price fluctuations will not be drastic because of tight supply and strong demand.
The company is insulated from fluctuations in the spot market for juice, especially from Napa and Sonoma, where prices have zoomed of late.
Because the government mandates everything from train times to many ticket prices, operators of railway lines have few levers to pull in response to market fluctuations.
The economy is heavily dependent upon the export of six commodities - sugar, gold, bauxite, shrimp, timber, and rice - which represent nearly 60% of the country's GDP and are highly susceptible to adverse weather conditions and fluctuations in commodity prices.
And the risk of manipulation of food commodity prices has a big impact on a lot of people, some of them very vulnerable to fluctuations.
The price fluctuations of 2007-09 suggested that uncertainty in the world of agriculture was deepening under the influence both of oil prices and capital flows.
The government has tried to reassure citizens that recent increases in the prices of pork and eggs sometimes precursors to general inflation are just normal seasonal fluctuations.
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