Tim Duy: Is the Long-Term Challenge Upon Us?

Tim writes:

Rising NAIRU?: [T:]he long term challenge may already be upon us.  David Altig puzzles over the implications of a shifting Beveridge curve.... He... hones in on the possibility of a skills mismatch:

Now I realize that a few anecdotes don't make facts, but I have been in more than a few conversations with businesspeople who have claimed that the productivity gains realized in the United States throughout the recession and early recovery reflect upgrades in business...