For what it's worth...

CNBC:

The majority of economists surveyed by the National Association for Business Economics believe that the federal deficit should be reduced only or primarily through spending cuts.

The survey out Monday found that 56 percent of the NABE members surveyed felt that way, while 37 percent said they favor equal parts spending cuts and tax increases. The remaining 7 percent believe it should be done only or mostly through tax increases.

There's no guarantee that they're right, of course. Economists can be wrong just like everyone else. But it's another data point...