[U.S. Treasury Secretary: Government Shutdown Costs $15 Billion Per Day] On October 15, U.S. Treasury Secretary Besent stated that the wave of economic investment in the United States is just beginning and is sustainable, but the federal government shutdown is becoming an obstacle. During the International Monetary Fund and World Bank Annual Meetings, he pointed out that the shutdown has already caused the U.S. economy to lose approximately $15 billion in output per day.