i'm bernard baumohl. >> susie: you can keep up with n.b.r. any time. we're online at n.b.r. on pbs.org. there you'll find all the market data from the program, and you can watch any programs you may have missed. you can also follow us on twitter, @bizrpt, or my personal feed, @sgharibnbr. we're also on facebook at bizrpt. >> tom: and finally, two american economists are the winners of the 2011 nobel prize in economics. princeton's christopher sims and new york university's thomas sargeant were honored for their groundbreaking research on how different events affect economies. both men developed methods that untangle the relationship between economic policy and different macroeconomic variables, things like g.d.p., inflation, employment and investments. at a news conference today, sims dismissed critics who blame the science of economics for the current financial crisis. >> my view is that technical, careful, statistical analysis based on macroeconomics is our hope for getting out of the current difficulties. >> tom: congratulations to both. that's nightly business report for