Hansen's 1938 book, Full Recovery or Stagnation, was based on Keynesian ideas and was an extended argument that there would be long-term employment stagnation without government demand-side intervention.
Hansen's bog fra 1938, Full Recovery or Stagnation?, var baseret på keynesianske ideer og var et udvidet argument om, at der ville være stagnation i beskæftigelsen på langt sigt, hvis ikke regeringen intervenerede på efterspørgselssiden.