theorem mergerCurvatureCost_pos {J ρ : ℝ} (hJ : 1 < J) (hρ : ρ < 1) :
0 < mergerCurvatureCost J ρ := by
simp only [mergerCurvatureCost]
apply div_pos (by linarith)
exact mul_pos (by linarith) (by linarith)Paper 1, §22.5: Market Structure as CES Curvature