Pauline Bucciarelli, Emmanuel Hache, Valérie Mignon. Evaluating criticality of strategic metals: Are the Herfindahl–Hirschman Index and usual concentration thresholds still relevant?. Energy Economics, 2025, pp.108208. ⟨10.1016/j.eneco.2025.108208⟩. ⟨hal-04924186⟩
Pauline Bucciarelli, Emmanuel Hache, Valérie Mignon. Evaluating criticality of strategic metals: Are the Herfindahl–Hirschman Index and usual concentration thresholds still relevant?. 2024. ⟨hal-04452384⟩