Keynesian economists believe that prices are sticky and do not adjust quickly, from which they concluded that:A.the most important determinant of economic growth is long-run aggregate supply.B.savings...

Keynesian economists believe that prices are sticky and do not adjust quickly, from which they concluded that:A.the most important determinant of economic growth is long-run aggregate supply.B.savings is a crucial component of economic growth.C.the long run deserves more focus than the short run.D.government intervention is sometimes necessary to promote full employment.E.government intervention is never necessary to promote full employment.