This work (in two parts), Lecture Notes in Economics and Mathe- matical Systems, Volume 105 and 106, constitutes the Proceedings of the Fourteenth Biennual Seminar of the Canadian Mathematical Congress, which was held from August 12 to August 25, 1973 at the University of Western Ontario, London, Ontario. The Canadian Mathematical Congress has held Biennual Seminars since 19 7, and these have covered a wide range of topics. The Seminar reported in...