188
POLITICAL ECONOMY
output of the industry will increase, inasmuch
as the same amount of labour and capital
at least will be employed in the industry,
while more effective use will be made of them
in view of the larger number of employers.
We must also allow for the fact that an
alteration in the number of employers through
its effect, for instance, on the specialism of
businesses, might in itself render the industry
more or less productive. A new position of
equilibrium will eventually be reached at
which the surplus left in each business for the
employer is less. This movement will con
tinue until the surplus remaining for employers
is just sufficient to induce the continued
functioning in the industry of as many
employers as there are.
Were the surplus too small instead of too
large, some employers would be working at a
rate of pay at which it was not worth their
while to continue working. Gradually,
therefore, employers would begin to desert
the industry, and no others would take their
place, since it has been supposed that the
earnings are insufficient to attract any fresh
organising talent into the industry. Con
sequently, for reasons already explained,
businesses would expand in size, and the
surplus left for employers would become