Introduction

Martinez-Fraga and Reetz bring us an extremely valuable contribution to the debate surrounding international investment law in the last couple of years; the debate which has been hopelessly revolving around the concept of State's regulatory space. The authors tackle the challenging question of how to reconcile the interests of Host States in preserving regulatory space with those of Home States in investment protection with a conceptually clear and methodologically sound approach. And they seem to hit the nail on the head. They identify the problem of this debate in the concept ...