theorem debtSustainable_iff {r_B g b d : ℝ} : debtSustainable r_B g b d ↔ d ≤ (g - r_B) * b := by simp only [debtSustainable, debtDynamics]; constructor <;> intro h <;> linarith
thesis/CESProofs/Macro/TaxStructure.lean:365
Government Tax Structure (Layer 3 of Macro Extension)