Krugman - a crank economist enamored of massive money printing loved by all statist media, from the New York Times to MSNBC.
In Behavioral economics, "Only two groups in society act in a rational self interested way. Economists and Psychopaths, in all experimental situations."
Gold and other sound forms of money are useful for restarting economies choking to death on defaulting paper promises.
Free includes debt-free!