def dynamicWedge (B₀ η D₀ δ_gap τ : ℝ) : ℝ := lafferRevenue B₀ η τ * δ_gap / (discountGap D₀ δ_gap τ) ^ 2
thesis/CESProofs/Macro/GrowthTax.lean:73
Growth and Dynamic Tax Revenue (Layer 4-5 of Macro Extension)