...试 0 0 b , a }, bL , aK min{ ) L , K ( q 54 成本最小化弱公理 成本最小化弱公理（weak axiom of cost minimization） t s s s s t t t s t s t x w x w x w x w w w q x x 然有： 最小化的选择。
abstract:In economics, the weak axiom of cost minimization (WACM) provides a non-parametric test of cost minimization, which can be applied only when both input price and quantity data are available for individual firms.