theorem lafferPeak_decreasing_in_η {η₁ η₂ : ℝ}
(hη₁ : 0 < η₁) (_hη₂ : 0 < η₂) (hη : η₁ < η₂) :
lafferPeak η₂ < lafferPeak η₁ := by
simp only [lafferPeak]
exact div_lt_div_of_pos_left one_pos (by linarith) (by linarith)Government Tax Structure (Layer 3 of Macro Extension)