Though his American followers would pursue fine-tuned tax-and-spending plans to lift demand during recessions, Keynes instead called for the government to manage future stages of overall economic scarcity through direct investment spending…. the government should seek “to prevent large fluctuations” in employment by enacting “a stable long-term programme” that would spend money on things like infrastructure, factory equipment, and scientific research. 

Zachary D.Carter in The Price of Peace