SEMAINE D'ETUDE SUR LE ROLE DE L ANALYSE ECONOMETRIQUE ETC

961

Furthermore, we find that T(: - ¢) remains effectively inferior
 to unity, a necessary condition for the validity of the
expansion as a Taylor series of d(i-p) (").
Once the values of w and # become fairly large, T(i - p) is
relatively small and the expanded series converge rapidly.

Values of ©

536. From (526-9) and

(536-1)

4

+

‘
y

-

& 5
4’

or, again

536-2)  @®=w



Whence the following table for ® can be constructed (

(') § 512, we have pu =1/T [relation (510-8)].
() The values of T are derived from (534-1) and (534-2).
{?) When = increases indefinitely, three cases are possible in line with
the preceding notes

a) o < w < Ycli—p).
In this case T tends to a limit define”

~£

‘ation

+;

and from this ana

1

de

. Allais - pag. 265