International investment agreements have become increasingly controversial. The agreements are alleged to be beset with a large number of deficiencies that harm host countries in particular. For instance, they are said to cause "regulatory chill", to distorts investment patterns, and to lead to...

This paper investigates the design and implications of international investment agreements. These are ubiquitous, potent and heavily criticized state-to-state treaties that protect foreign investment against host country policies. We show that optimal agreements cause national but not global...

Protecting biodiversity will require the phase-out of harmful production at a large scale. However, some of these stranded investments will be foreign-owned, and can therefore be protected by the more than 2,600 investment treaties that are in force worldwide. These treaties' compensation...