Planning

Behavioral economists and psychologists define as irrational anything that doesn't fit into a narrow model of behavior. Anything "irrational"—like buying the "wrong" stock—must be fixed with government regulation.

Though he was generally a Ricardian, John Stuart Mill thought that the main obstacle to socialism is that people might not yet be civilized enough to put it into practice. 

A deflationary policy is just another type of intervention and in this sense it sets in motion a different form of the misallocation of resources.