[主观题]D.iminishing marginal utility,law of 边际效用递减规律
[名词解释] 边际效用递减律(Law of diminishing marginal utility)
[名词解释] 边际效用( Marginal utility)
[名词解释] 边际收益递减律(Law of diminishing marginal returns)
[主观题]D.iminishing returns,law of 收益递减规律
[名词解释] Diminishing returns,law of 收益递减规律
[名词解释] 效用(Utility)
[试题]Ordinal utility 序数效用
[主观题]基数效用(Cardinal utility)
[主观题]总效用(Total utility)