we have wendy carlin coming on here later from ucl.f you look at the dampening of reflation, is it within conventional models? >> i think what has surprised people is, we have had the stronger growth coming through. we have not even see wages pick up, the labor markets continue. the conventional models are there, but they are being pushed to the limit. the economists don't really know -- tom: i agree. do the central banks not really know either? >> they don't know either. tom: does guy johnson know what we are doing? [laughter] guy: that goes without saying. draghi says he will only withdraw stimulus when the economy can be sustained without stimulus. tom: that is right. guy: therefore, the pale on monetary policy will be enormous. >> the ecb and fed and other central banks have had loose policy. the fact that inflation stay low will limit how far the fed ultimately has to time. for the ecb, there is a real question about what draghi is doing because the economy is improving. two they need to have -- do they need to have -- guy: inflat