theorem allocationDistortion_at_critical {Tstar : ℝ} (hTs : 0 < Tstar) : allocationDistortion Tstar Tstar = 1 := by simp [allocationDistortion, div_self (ne_of_gt hTs)]
thesis/CESProofs/Potential/MacroApplications.lean:174
Macroeconomic Applications of the CES Potential