Too Low a Threshold: <i>Bilcon v Canada</i> and the International Minimum Standard of Treatment
Bibliographic record
Abstract
Abstract Treaty obligations to afford foreign investors a minimum standard of treatment (MST) and/or fair and equitable treatment (FET) are hallmarks of international investment law. However, the relationship between such treaty-based obligations and customary international law has been the subject of considerable debate. In the North American Free Trade Agreement (NAFTA) context, the majority tribunal decision and dissenting opinion in Clayton and Bilcon of Delaware Inc. v Government of Canada (Bilcon) reflect ongoing disagreement regarding the threshold for breach of the MST under NAFTA Article 1105. This article charts NAFTA investment tribunals’ decisions regarding FET claims under Article 1105 and the development of the customary international MST on which that provision is based, in particular, the prohibition on arbitrary treatment. It argues that the majority in Bilcon applied an inappropriately low threshold in finding a breach of Article 1105, which could represent a new and unwelcome direction in NAFTA Chapter 11 jurisprudence.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.011 | 0.030 |
| Meta-epidemiology (narrow) | 0.000 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.003 | 0.002 |
| Science and technology studies | 0.014 | 0.011 |
| Scholarly communication | 0.018 | 0.004 |
| Open science | 0.004 | 0.003 |
| Research integrity | 0.011 | 0.014 |
| Insufficient payload (model declined to judge) | 0.007 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".