>> well first, icann, the indicators like asset price, house prices, leverage, credit growth, all those things look very different today than they did before the crisis. secondly, there's a whole lot of reform going on. very bad mortgages were being made as you know, and there's been a considerable amount of tightening up of the laws affecting consumers. there have been considerable increases in the amount of capital that banks have doubled and so on, so a lot has been done. and i'm not saying this work is completely done but we've certainly done a lot to make the system more resilient. >> thank you very much. i see my time has expired. thank you, chairman bernanke. >> senator toomey is recognize for five minutes. >> just a quick sort of follow up on the nature of the very accommodating monetary policy. isn't it true as a general matter that very accommodating monetary policy has the tendency to the extent that is successful at all to bring economic activity that would otherwise occur in the future closer to the present day rather than to increase the total amount of economic activity t