SEMAINE D'ETUDE SUR LE ROLE DE L ANALYSE ECONOMETRIQUE ETC. 934 
Determination of ©. and n 
524. In the present case, to determine the constants ©, and 
n. we have the two relations 
(524 
(524-2) 
whence 
(524-3) 
524-4) 
and therefore 
vs 24 
| ey v © , 
524-5) [0 = 7 
leu ‘ 
an implicit equation which determines »# as a function 
and 6. 
It can easily be verified that even in the very simple case 
where 3(0) is assumed to be of the form (520-1), the determina- 
tion of ©, and n is subject to a very large margin of error if the 
value of Yc is near that of ® and © itself is not very accurately 
bnown 
, Allais - pag. 243