The Role of Precedent in ISDS: Can Decisional Law Contribute to the Creation of Customary Norms?
ISDS is a fragmented field, consisting of a few thousand bilateral investment treaties (“BITs”) and treaties with investment chapters – such as the Energy Charter Treaty (“ECT”) or the North American Free Trade Agreement (“NAFTA”). These instruments that regulate foreign investment are often similar but are not the same. Yet, even where different bilateral relationships…