ABSTRACT
As an example of the meaning of (a), the supply curve w i l l be one thing if the suppliers are considered as having the alternative of supplying either the indicated quantity at the indicated price or nothing at all; i t w i l l be quite different i f they are considered as having the alternative of supplying either the indicated quantity or any smaller quantity at the indicated
price. I n general, we shall suppose the latter to be the alternative open to suppliers.
