154

PONTIFICIAE ACADEMIAE SCIENTIARVM. SCRIPTA VARIA - 28

National Income

124.

(124-1)

Since

R=R,,4C
di

it follows from (123-2) and (123-4) that

124-2)

R=R.+pC

“Rp Re Ra
1-0

whence finally

124-3)

R(t)- PO Ro(6)-p() Ra
2 (t)-o (t)

From (123-6) and (123-7) we have

(124-4)

Re () _I—ve _ I
R,() 1—v:

El

— 2 fi

From § 120 and (122-1) this expression depends only of 7’,
which is evident from (110-2) and (123-5) lor from (125-2)
below].

II] Allais - pag. 58