theorem lafferMaxRevenue_decreasing_in_η {B₀ η₁ η₂ : ℝ}
(hB : 0 < B₀) (hη₁ : 0 < η₁) (_hη₂ : 0 < η₂) (hη : η₁ < η₂) :
lafferMaxRevenue B₀ η₂ < lafferMaxRevenue B₀ η₁ := by
simp only [lafferMaxRevenue]
exact div_lt_div_of_pos_left hB (by linarith) (by linarith)Government Tax Structure (Layer 3 of Macro Extension)