theorem cesInner_nonneg {α ρ K L : ℝ} (hα : 0 < α) (hα1 : α < 1) (hK : 0 < K) (hL : 0 < L) : 0 ≤ cesInner α ρ K L := le_of_lt (cesInner_pos hα hα1 hK hL)
thesis/CESProofs/Macro/TwoFactorCES.lean:86
Two-Factor CES Production Function (Layer 1 of Macro Extension)