“…Therefore, under idealized uncertainty, our optimum production conditions and risk‐adjusted discount rates reduce to the investment criterion proposed by Hamada [4], Mossin [9], and Tuttle and Litzenberger [13]. (6) and (17) are Tuttle and Litzenberger's criterion which, as Litzenberger and Budd [7] have shown, is equivalent to the criteria of Hamada and Mossin 5 .…”