Goldschmidt, Werner Keywords: State contracts | Public international law | International commercial law | Mots clefs: Droit international public | Droit commercial international | ABSTRACT Werner Goldschmidt presents, in the introduction of this course devoted to a methodological study of transactions between States and public firms and foreign private firms, the methods dealing with the subject: normology and trialism. In the primary part of his course, the author presents, on one hand, a normological approach to trans…