theorem complementarity_alignment {ρ₁ ρ₂ : ℝ} (J : ℕ) (hJ : 2 ≤ J)
(hρ₁ : ρ₁ < 1) (hρ₂ : ρ₂ < 1) (h12 : ρ₁ < ρ₂) :
-- (a) K₂ < K₁
curvatureK J ρ₂ < curvatureK J ρ₁
-- (b) ε₂ < ε₁
∧ inequalityAversion ρ₂ < inequalityAversion ρ₁ := by
exact no_tradeoff_welfare_interpretation J hJ hρ₁ hρ₂ h12CES as Atkinson Social Welfare Function