Schumpeter's review, now available in English, emphasizes that Fetter's Principles is more than merely a textbook, and highlights the close connection between Fetter’s theory and the economics of the Austrian school, especially his classification of entrepreneurial activity.
"There is one good thing about Marx: he was not a Keynesian. I recently asked Yuri Maltsev, former Soviet economist, why is it that things seem to have fallen apart so rapidly in the Soviet Union in the last twenty years. He said in the last twenty years, the leaders of the Soviet Union have...
"He used Menger’s edifice as a framework, and then he solidified its foundations and proceeded to build an entire basilica on top of it. It was an enormous achievement."
