What matters for the amount of labor supplied is the after-tax wage rate relative to income from wealth. While after-tax wage rates soared for more than a century, wealth and the income it brought grew just as fast.
在我看来，供应学派的中心观点建立在一个单纯的错误之上。决定可供劳动力数量的，是与收入财富相关的税后工资率。当税后工资率已经猛涨了一个多世纪，它所带来的财富和收入也一起随之迅速增长。