 His warnings of impending economic crisis and a loss of confidence in the dollar in 2005 and 2006 were at the time derided by many economists, but accelerating dollar devaluation in 2007 led experts like former Federal Reserve chair Alan Greenspan to reconsider hard money policies such as those of Paul.Paul believes the size of the federal government must be decreased substantially.In order to restrict the federal government to what he believes are its Constitutionally authorized functions, he regularly votes against almost all proposals for new government spending, initiatives, or taxes, in many cases making him in a minority of members of the house by doing so.