The market is thus a highly imperfect one: Britain was unable to buy gas at any price in 2004 and 2005, for example.

ECONOMIST: Britain's energy crisis

Those with pre-existing conditions have long been unable to buy insurance because insurance companies claimed it was too expensive.

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The electronics chain also revealed a letter from Blockbuster which said that if it was unable to receive financing or shareholder approval for the deal, Icahn is waiting in the wings to buy the company himself.

FORBES: Magazine Article