theorem eff_welfare_at_full_margin {sigma_prev delta beta_n : ℝ} :
effectiveWelfareContribution sigma_prev delta beta_n 1 =
welfareContribution sigma_prev delta beta_n := by
simp only [effectiveWelfareContribution, welfareContribution, mul_one]Institutional Reform Equivalence, Adjustment Timescale, and Fragility Ordering