706 PONTIFICIAE ACADEMIAE SCIENTIARVM SCRIPTA VARIA - 28 
TABLE VII — The exponential model and the empirical data 
(§ 320 to 325 
{. ESTIMATES OF THE MODEL’S PARAMATERS 
Estimates of ®_ (§ 321) 
©, = - 77 
= 
(321-1) 
United States - Great Britain 
1 NCE 
QT? 
4.41 
\vera 
of 
= 
United 
States 
"Ce 
4-34 
4.71 
3.64 
4.12 
, era£g 
IRSO-IC 
1 
EMPIRICAL JUSTIFICATION OF THE EXPONENTIAL MODEL 
2. Justification with respect to the hypotheses 
Hypothesis d) - Exponential decrease of the production 
elasticities ($ 322). 
2. Justification with respect to the consequences 
a) and b) small changes of y at a given time for the 
various countries and over time for a given country 
($323 and 324) 
y=0,/1+0 
(323-1) 
‘rage 3.46 | 
countries): 3.54 | 
c) Approximate constanr - of CR, at a given time as 
between countries ( 
34 
World (median of 48 estimates 
Cle) o 
R,(¢) 
4) Exponential amortization of primary income ($ 326) 
(325-1) and (325-3) 
1 _8 
tO) =e © 
e) The relation between (6) and the composition of the 
labor force ($ 330 to 336).