This Book Focuses On The Question To Which Extent The Substantive Standards Of Treatment Contained In International Investment Treaties Can Be Understood As Expressions Of The Rule Of Law. In Addition To This 'positive' Relationship Between The Rule Of Law And Substantive Standards Of Treatment, It Also Addresses Rule Of Law Problems Or Rule Of Law Lacunae That Exist In The Application Of Substantive Standards Of Treatment. Bringing Together Leading Scholars In The Field, It Combines Doctrinal Analysis Of The Core Substantive Treatment Standards And Their Connection To The Concept Of The 'rule Of Law' With A Critical Discussion Of Both The Potential The Concept Of The 'rule Of Law' Has As A Guidepost For Structuring International Investment Relations And The Blind Spots It May Leave--