SEMAINE D'ÉTUDE SUR LE ROLE DE L ANALYSE ECONOMETRIQUE ETC.

719

The characteristic curve of primary income appearing at
me / is shown in Fieurc

ple, 6

2r18tic curv
roduchon

1.

This curve is obviously asymptotic to the 6 axis, for first
there exists no consumable object to day which does not concain
 some input dating back as far as Julius Caesar ('), end
second it is clear that the influence of primary inputs tends tc
zero when the distance in time increases indefinitely.
The characteristic curve for amortisation of primary income
furnished at time # but appearing in consumed income at some
future moment is given in Figure (2).

haracleristic curve
Cr amortizatson

(}) Indeed, certain investments made by the Romans are still yielding
‘evenue. À good example is the Coliseum at Rome.

11] Allais - pag. 23