The Debt Service Ratio (DSR) of American consumers has finally fallen into single digits for the first time since 1980. According to the Federal Reserve the DSR declined to 9.89% in the second quarter of this year. RAM Research predicts the DSR will decline to at least 9.79% in the fourth quarter. The household DSR is an estimate of the ratio of debt payments to disposable personal income. Debt payments consist of the estimated required payments on outstanding mortgage and consumer debt. The slowdown in credit card debt