Lopez, Manuel Fernandez - In: The European Journal of the History of Economic Thought 10 (2003) 2, pp. 303-328
The concern for the existence of solution to the Walras - Cassel model is usually dated at the beginning of the 1930s, and one decade later the proof of existence of utility function. Ugo Broggi, however, posed both issues in 1923 and 1919, respectively, and even hinted at modern ways of solving...