this doesn't really fare well for the whole form of central banking and, indeed, david malpass is spot on. global dynamidynamics, less for. i don't care how we stack up relative to others and the economic grading category. less is not better. >> but, david, are you blaming the quantitative easing approach that shinzo abe is taking in japan or still the ramification of the sales tax hike at work? >> i don't think qe is working. if you look in the u.s., the median income levels for americans going down and down and down. because the central bank is channelling the credit toward bigness, toward the government and big corporations. that just doesn't create jobs. so turning to japan, we have a perfect test tube. they have bought a huge amount of bonds and their economy is going slower and slower. >> meanwhile, diane, this week hearing from retailers. earnings, gasoline prices coming down. is that a boost to the bottom line? what are you expecting? >> i don't think she should underestimate the impact of lower gas prices. i think it is key not only for the economy as a whole but in particular