Münch, Fritz Keywords: Expropriation | Mots clefs: Expropriation et nationalisation | ABSTRACT Fritz Munch assigns two tasks to his research on the effects of foreign nationalization. He writes that a first scientific outreach effort is to identify the general principles-based decisions in each country if possible. Private international law systems have some common principles, but their scope of application may vary, and their contradictions are resolved in different ways in different systems. The second ta…