theorem lafferPeak_below_upper {η : ℝ} (hη : 0 < η) : lafferPeak η < 1 / η := by simp only [lafferPeak] exact div_lt_div_of_pos_left one_pos hη (by linarith)
thesis/CESProofs/Macro/TaxStructure.lean:233
Government Tax Structure (Layer 3 of Macro Extension)