reduction of more than 7%, we attribute a little less than 2% directly to the deep recession and slowry coverry. so we think there's a one and three quarter percentage point reduction in output coming from the persistent effects on the lay bar market, particularly the effects of elevated levels of long-term unemployment in pushing people out of work and discouraging them from looking for work have from the procession and also on productivity. that's 1.75 percentage points. the remainder, more than five percentage points of output comes in our assessment from a reconsideration of various trends that were under way, up to 2007. so it is not directly related to the recession and weak recovery, but it is a reassessment of -- from our perspective, in what the underlying growth rates of key variables in the economy are, and we actually have a report, which i hope will be out by next week, that explains and documents testimony other sources of revision. so we do think there is a long shadow from the recession and the weak recovery. but we also over this period have made a set of other changes in how w