Who argued during the 1930s that the state could stimulate economic growth and improve stability in the private sector? a. john maynard keynes b. adam smith c. milton friedman d. herbert hoover e. geert hofstede?

It was John Maynard Keynes. In the 1930's, he argued that the state could improve economic growth and stability in the private sector. For example, controlling interest rates, taxation, and public projects. He also argued that the policies in government could be used to raise aggregate demand.