Public and Private International Law in International Courts and Tribunals: Evidence of an Inescapable Interaction

Résumé : Public international law and private international law have traditionally been perceived as being distinct and unrelated. The practice of international courts and tribunals shows that in reality both fields are interdependent, complementary and mutuallv supportive. The present contribution highlights how the International Court of Justice and tribunals dealing with investment arbitration and commercial arbitration have developed a pragmatic body of case-law that hasallowed public international law and private international law to nurture each other