From Rasmussen:

The latest Rasmussen Reports national telephone survey of Likely Voters shows that 65% say they trust their own economic judgment more than the president’s. Prior to this survey, this finding ranged from 49% to 63% since Barack Obama took office in January 2009. Twenty-four percent (24%) of voters trust Obama’s economic judgment more than their own, which ties the lowest level of trust in the president to date. Another 12% are undecided. 

My take: Americans understand that the president’s economic policies have failed.