This book examines the role of international investment treaties in fostering good governance and rule of law on a national plane. Although they were historically designed to protect foreign undertakings from opportunistic governmental behaviour, international investment treaties have gradually come to be interpreted as also requiring host States to maintain good governance standards in their dealings with foreign investors. Lack of transparency, stability, predictability as well as the lack of effective remedies and enforcement mechanisms at a national level can now lead to a host State's...