Casey Mulligan is Right Again

I guess I'm about to join the Casey Mulligan fan club. Okay, not quite, but he was good enough to make a point that went against his general political view a couple of weeks ago, so I will take a moment to acknowledge a point that goes somewhat against how I generally see the world.

In his column today, Mulligan argues that policies like extending health care subsidies to people through health care exchanges and unemployment insurance must have some negative effect on employment at the margin...