dr. groshen do you have some thoughts on that? guest: one thing i want to point out, productivity growth has slowed, not productivity. well, i guess last number was negative. slightly negative. but it is we're still one of the most productive countries in the world, but, but certainly underlying improvements in people's standard of living is productivity growth. and that's one of the reasonss that so important for us to measure it and measure it well. >> host: what is behind that, jim tankersley? >> guest: there is big mystery. there are a lot of competing theories out there. the mechanics of it we have low economic growth relative to what we had historically but still pretty good job creation what we've had historically. we're hiring a lot of people to create, you know, a relatively low amount of output growth, and that is just sort of the math ends up being you don't have as much output per person growth in that. now why that is, whether technology is not integrating way we hoped it would to make workers more productive, whether

dr. groshen, what are your thoughts on that? >> guest: let me start offle saying number of unemployed people in july 20,167.9 million. >> host: not 93 million. >> guest: not 93 million. our estimate of number of people who did not work in the past, month, the past week, and who, but who did look for work and ready to take work during the past, during the past month. and, we provide a wealth of numbers so that people can add them up and use them for theirir various purposes. we can't force anybody to use numbers. we can't even force them to usea them properly.an but we do try to help anyone who wants to use our numbers. call us at, you can go our website, bls.gov. and you can, you can email us, you can call us, and we can take you through all of the numbers that you might be interested in looking at.ig and help you to use them properly. so i'm going to encourage people to do that. if you have any questions about numbers, we work for you. call us up, email us, and we can answer your questions and direct you to the number that will