g.d.p. growth? does that begin to feed into productivity? can economic output actually bring up productivity? neil: well, i think so. i think that there's some potentialre at unemployment long enough, over time that forces companies to find different ways of seeking out efficiencies with their existing workforce. but, you know, little known fact, tom, nonfarm business productivity has been growing now for eight consecutive quarters. and, you know, over that time, it's been growing slightly around 1.5%. it looks like the second quarter we're going to see pretty solid productivity growth. because g.d.p. is tracking 4%, and total hours worked over the quarter up about two. if you're growing 1.5% to 2% for productivity on a sustained basis, then the yield curve is not only too flat, but estimates of neutral interest rates and longer run terminal rates are too low. francine: neil, what happens to dollar? neil: i mean, i think what's driving the dollar right now,y had some slippage of momentum in europe. and that was a big reason why the dollar was so soft last year. but also, i mean, the u.s. economic data, i mean, if you look at your own bloomberg economi