LA

PONTIFICIAE ACADEMIAE SCIENTIARVM SCRIPTA VARTA - 28

Appearence oF
the primary input
In consumption

es

rot

Input: Ry(t+1- 8) ¢ (¢+1-6,6) db
=Ro(t+1) © (£+1, 6) de .

FiG. 3

The value at instant t of the primary input furnished prior
to ¢ appearing in consumed income Ro(¢+ 1) dt of the period
(+x, t+T+dT) is

So
a [ Ro (#+T-0) 0. (t+-1-0,0)e t+ eae

Thus from (111-7)

(113-5) Clt)=R,, (1) a

re
£

- “than (i-p)du
P(t+T-0,0)e T° Ja

MN

11] Allais - pag. 26