A new report by the Office of the Actuary at the Centers for Medicare and Medicaid Services (CMS) found that health care spending over the past four years grew at the slowest rate recorded in more than half a century. The spending grew by 3.7 percent in 2012; since 2009 the annual rate has been between 3.6 percent and 3.8 percent.
That's down from the 5.5 percent average increase over the past decade, and well below the average annual increase of 11 percent observed in the 1980s and 13.1 percent average annual increase observed in the 1970s.
The recent slower growth contributed to the first reduction in health care costs as a share of the economy in 15 years, down to 17.2 percent of GDP in 2012 from 17.3 percent in 2011.
It is good news that we are bucking the historical trend on health care cost growth. But the causes for this are not completely understood and thus we have uncertainty as to the sustainability of the trend.
Several factors are at work, including: the last recession and subsequent slow recovery, programs and policies initiated by Obamacare, structural changes in the health care...