Edgar Allix, Attilio Cabiati, Edwin Cannan, Karl Th. Eheberg, Luigi Einaudi, Marco Fanno, Louis V. Furlan, Wilhelm Gerloff, Josef Gruntzel, Dymitri N. Ivantzoff, Arturo Labriola, Edmond Laskine, Emil Lederer, Jean Lescure, Erik Lindahl, Franz Oppenheimer, Edwin R. A. Seligman, Richard Schüller, Carl Snyder, Richard Strigl, Jacob Viner (auth.)