Question

the general theory of employment, interest and money was written by adam smith. john maynard keynes. milton friedman. friedrich august von hayek.

Explanation:

"The General Theory of Employment, Interest and Money" is a famous work in the field of economics, and it was written by John Maynard Keynes. Adam Smith is known for "The Wealth of Nations", Milton Friedman for monetarist theories, and Friedrich August von Hayek for work on classical liberalism and business cycles, but not this specific book.

Answer:

John Maynard Keynes.