the data and some of that has to do with the fact some of the output is not measured it think marty feldstein has been heard to say the help would of kugel or face book doest not show up whiff said gdp data. those that argue of the surplus in fact has continued to grow up the rate it has before but the non measured cost of gdp i don't think it has been established but it is a possibility.k ther the ticket relieve the growing role of services that could be responsible. as a miss measurement argument ionize article called does the united states have a productivity or a data problem? the data and that we must measure productivity. the answer of mostly economist those that have a data problem but it cannot account for the decline that b.c. with the measured data for. >> described the weight of a small dog of the "new york times" review of books. otherwise a miraculous century and then to know we're on the cusp of something great. >> as a mere -- america is professor but that revolution is everywhere except gdp data. two years later it showed up magnificent before about 10 years. i am also from m.

that's what marty feldstein basically asserts.hat's a long way around saying that there is more to this miss measured argument than people have been able to find so far. >> last question, then. >> you mentioned core inflation running around 1.5%. with the economy prices no longer a tailwind, which i know the fed doesn't target, that will certainly make a difference to the consumer. headline will be approaching 2%. wage inflation is only about 2.5%. effort to get inflation to accelerate, that doesn't complete, say, a risk to the extent that it will be attacked by purchasing power. assumes thatone the rate at which it goes up -- i don't think we would get that bump in inflation without seeing further growth in the rate of wage increase with further inflation being a negative for consumers and employees. certain that your empirical basis is correct, but we will find out in due course. cpi haseen running above 2% for some time. if we had chosen a different rate, we would be there already. so, we are close. that's how close we are to o