Not necessarily proportionate to intensity of efforts, 138.
Arises in some cases, not from the effort of the person who
renders the service, but from the effort saved to the person who
receives it, 140, 141.
This is a new principle not to be found in any other work on
Political Economy, 141.
Intervention of money does not change the principle, 142, 143.
Value does not reside in commodities, but in services, 143.
Examples of various kinds of services, all possessed of value,
147.
Limits within which value oscillates, ‹ib.›;
other examples, 148, 149.
The precious metals not a perfect standard of value, as their
own value fluctuates, 151, 152.
Value not an attribute of matter, 153.
This an error of the Physiocrates and of Adam Smith, and
has given rise to the distinction between productive and
unproductive labour, 153, 154.
Value not a thing having independent existence, but a relation,
158.
Value and Labour are not proportional, 159, 160, ‹note›.
Measure of value the ‹quadrature› of Political Economy, 170.
Fixity cannot be found in a mean term composed of variable
elements, ‹ib.›