Introduction

The Most-Favoured-Nation (MFN) treatment standard is a typical substantive commitment of modern international economic law. It is part of the broader field of treaty-based guarantees against discrimination by host countries. Its basic purpose is to ensure equality of competitive opportunities by guaranteeing that the parties treat each other in a manner at least as favourable as they treat third parties. The United Nations International Law Commission (ILC) began to study MFN clauses in late 1967 and adopted final Draft Articles in 1978, which provide a useful definition of MFN treatment ...