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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