A top expert tells Congress that oil will be around for a long time and high inventories and low prices are no excuse not to find more. Oil shock? How about a no-oil shock? Be careful what you wish for, goes the old proverb. Well, as we all had hoped, energy prices have fallen — but only as part of the global decline in economic activity. This has been used as an excuse to further discourage exploration for and development of domestic oil resources. But if the economy does recover, that policy could provoke another recession.