&gt; Then in the next chapter, 12, he falls into a sort of absurdity about the nature of interest<p>Yes, I noticed that too.  I&#x27;m not enough of an economist (obviously) to know what he should have said instead.<p>It&#x27;s a weakness, but I don&#x27;t think it&#x27;s fatal to his key point, which is that urban land values are socially created and should benefit society as a whole.