theorem diversityWelfareLoss_nonneg {J Jstar : ℝ} (hJ : 0 < J) (hJs : 0 < Jstar) : 0 ≤ diversityWelfareLoss J Jstar := welfareDistanceFn_nonneg (div_pos hJ hJs)
thesis/CESProofs/Dynamics/EntryExitDynamics.lean:273
## Welfare with Endogenous J (merged from EntryExitWelfare.lean)