[04 
PONTIFICIAE ACADEMIAE SCIENTIARVM SCRIPTA VARIA - 28 
TABLE V — Exponential model (§250-253) 
HYPOTHESES 
(a) and (b) unchanged 
(c) constant rate of growth p (§ 230) 
(d) exponential decrease of the elasticity B(0) (§ 250) 
LI 5 
A= 
(250-5) and (251-1) 
RESULTS 
r-€ -6-_6 
R I+0,1 
C=O,R, 
R —0, (i- 
=== [56 i-p] o ( } 
Rom 
k . 
>= 0: (i-p)? 
— k _k@_ 9? 
R_—all | Re eo 
Le@ 
(251-6) and (251-12) 
(251-0) 
(251-15) 
(251-18) 
(251-17) 
©, appears as a quantity whose order of magnitude is 
practically constant. ©, is an index of the intellectual dif- 
ficultv of conceiving indirect processes 
11] Allais - pag. 8