350
a
INTERNATIONAL TRADE
The general index numbers will register a rise. As time goes on
and readjustment is accomplished, the advance in prices of exported
goods will cease; they will relapse to the same level as at the
outset. The advance in import prices will continue and will be
accentuated. The general price level will thus show a rise, tho
not so marked a rise as during the period of lag.
All these propositions rest on the premise that nothing happens
to change the quantity of money in either country, or to change
the velocity of circulation, the use of credit substitutes, and so on;
nothing happens, either, as regards the general effectiveness of
labor and the output of goods. I would lay stress again on the
assumption of stability in the quantity of the paper money. In
most discussions of international trade under inconvertible cur-
rency attention has been given chiefly to the consequences of
changes in the amount of the money; most of all, when these are
connected with the fiscal needs of the issuing government. I am
concerned here with the other question, comparatively neglected :
how the matter lies in its essence, so to speak — how it lies apart
from the fluctuations and perturbations which the history of paper
money so frequently shows.
A word further now as regards the assumed stability of domestic
prices. That they remain unchanged may seem to have been
laid down in the preceding paragraphs without sufficient considera-
tion, let alone proof. It results from the fixity of the total money
income of the population, from the fact that total spending power
remains the same thruout (and also, we assume, the way in which
the spending power is exercised remains the same). The whole of
the goods, be there more or less of them, must sell for the same
money sum. If then the output of goods remains constant, the
price level will be unchanged; and moreover, in the absence of
any cause affecting one article peculiarly, each individual article
will remain likewise the same in price.
If indeed something happens to increase the total output of the
goods, or the total output of any individual good, prices will be
affected, even tho total money income remains unchanged and the
income of each several producer unchanged. If, for example,