SEMAINE D'ÉTUDE SUR LE ROLE DE L’ANALYSE ECONOMETRIOUE ETC. 
LAC 
The various results corresponding to different values of 
®, ® and #=p are given in charts I, II, TIT A and III B. 
The Exponential Hypothesis and Reality 
336. The exponential hypothesis appears to be a very rest. 
‘ive one, at least at first sight. 
However, it is possible to verify that it may in fact provide 
a quite fair approximation to real conditions. 
From this point of view, there are three particularly im- 
portant coefficients to be considered. These are k, ©, and À 
defined by the relations (!) 
336-1) 
336-2) 
'336-3) 
I" B(0)do 
©, 
a eB(e)de 
A 
—=— [ Ÿslo)ae 
2k@ J 
As it has already been noted, k should be taken as not 
oreatly differing from unity (3). 
M) Relations (211-3), (220-5) and (220-6) 
2) § 311. 
| Allais - pag. 173