If, in conditions of tolerable average employment, this net yield turns out to be infinitesimal, time-honoured methods may prove unavailing.

• 它能诱使财富所有者牺牲他的流动性偏好如果在过得去的平均就业水平条件下，这个净收益低微到不足道的程度，则久负盛名的办法也证明无效了。