On September 21, 1995, "House Speaker Newt Gringrich threatened to send the US into default on its debt for the first time in the nation's history, to force the Clinton Administration to balance the budget on Republican terms. That same day, the interest rate on 30-year U.S. Government bonds rose from 6.46 to 6.55 percent, and the dollar fell in value from 102.7 to 99.0 yen. Use the model of the large open economy to explain this event.