For the last year or so people have been whispering about stagflation (a combination of stagnation and inflation - for those who aren't into economics or who didn't live through the 1970s.) Of course stagflation was supposed to be impossible until it actually happened.
Anyway stagflation is back in the news. In a big way. Have a look at this Google Trends graph:
Even looking in the news, there are many more mentions of stagflation. I think we're headed for problems.