It's not that he is wrong - he lies his butt off. At one point there was an entire team dedicated to debunking his BS and getting the Slimes to print retractions. He says what he is paid to say.
IRONY ALERT:; LEFTIST NUTCASE PAUL KRUGMAN HAS BEEN WRONG ABOUT EVERY 'SOLUTION' TO ECONOMIC PROBLEMS SINCE HE WAS AWARDED A NOBEL PRIZE IN 2008; AND LET'S FACE REALITY HERE, HE WAS PROBABLY AWARDED IT STRICTLY BECAUSE HE WAS A LEFTIST. SO WHAT DOES THIS IDIOT, WHO'S ALWAYS WRONG ABOUT EVERYTHING, DO? HE PENNED AN ARTICLE FOR THE LEFTIST NEW YORK TIMES WARNING READERS TO BEWARE OF 'ECONOMISTS WHO WON'T ADMIT THEY WERE WRONG'.