The distinction is usually referred to as saltwater vs freshwater economists (referring to the geographical location of the university's). Apart from MIT there is also Princeton and Stanford in the saltwater camp. And Krugman is right that the saltwater economists were vindicated by the recovery from the GFC. However Krugman is not a good spokesperson for saltwater economists. Most econ professors I know from saltwat…
Can you give specific examples of other economists making better predictions than Krugman by avoiding the mistakes you claim he makes?
Krugman predicted austerity of 2013 would hurt. It didn't.
http://krugman.blogs.nytimes.com/2013/04/28/monetarism-falls...
http://econlog.econlib.org/archives/2014/01/the_parrot_is_s.... http://econlog.econlib.org/archives/2015/01/the_cbos_foreca....
Krugman predicted the sequester would cost 700,000 jobs.
http://www.nytimes.com/2013/02/22/opinion/krugman-sequester-...
I can't dig it up, but Sumner claimed it would not provided NGDP didn't fall (i.e., the fed caused a monetary offset). You'll never guess what happened next.