hans redeker.ur guest host for the hour. ridge out, the ceo of tim energy will join us. that is at six clock a.m., this is bloomberg "surveillance." ♪ tom: there is so much going on this december 9. a busy morning. yahoo! last night really pushed back against marissa mayer. more on that through the hour. bombshell, all of that wrapped around economics. what a privilege for michael mckee and i yesterday to speak with olivier bouchard out of mit. i caught up with him, formerly with the imf, where he changed world economics, no question. we spoke to professor borchard about his thoughts of a potential fed rate rise. >> when you start increasing interest rates, there are long dynamics. the interest rate doesn't affect activity are spending overnight, it takes a year, year and a half for the effect to be large. you have to start before it's too late. you have to start early, which is difficult for all these wesons, even when increase the rate we are still very far from the rate we would end up. lanchard