Career
He taught as a professor at the Czernowitz University (1917–1920), German Charles-Ferdinand University in Prague (1920–1926), Tokyo University (1926–1929), University of Berne (1929–1938).
economist university professor
He taught as a professor at the Czernowitz University (1917–1920), German Charles-Ferdinand University in Prague (1920–1926), Tokyo University (1926–1929), University of Berne (1929–1938).
Austrian Academy of Sciences. Bavarian Academy of Sciences and Humanities.