
Allgemeine Theorie der Beschäftigung, des Zinses und des Geldes",ins Dt. übers. von Fritz Waeger. 6. Aufl. Berlin: Duncker und Humblot 1935, S. 323.
Original engl.: "the ideas of economists and political philosophers, both when they are right and when they are wrong, are more powerful than is commonly understood. Indeed the world is ruled by little else." - The General Theory of Employment, Interest and Money. Chapter 24, V. marxists.org http://www.marxists.org/reference/subject/economics/keynes/general-theory/ch24.htm
Allgemeine Theorie der Beschäftigung, des Zinses und des Geldes