The shutdown of the U.S. federal government could cost the economy up to $14 billion, depending on how long it lasts, the Congressional Budget Office said Wednesday.The shutdown, now in its fourth week, will result in the loss of at least$7 billion of gross domestic product by the end of 2026 as a result of furloughed federal employees working fewer weeks, the CBO said.And the cost will grow the longer the shutdown drags on, CBO Director Phillip Swagel told U.S. House Budget Committee Chairman Jodey Arring ...