SEMAINE D'ÉTUDE SUR LE ROLE DE L ANALYSE ECONOMETRIQUE EITC.

Tio

Considering small values of u, developing ¢(u) as a Taylor
series, and taking only the first few terms we have

(220-2)

d(u)vI - © 0+ AZ 42

where ©, and À are two constants. We have:

(220-3)

(220-4)

dy(u) _ _e, [1-240,u]

du

d gw oo 240.
du?

and

(220-5)

(220-6)

a3(e)de

"“9’B(0)do

Further

(220-7)

220-8)

(220-0)

p(0)=+
dy lu

A Lu

i

cé
x

‘u=0)-210,

LL

11] Allais - pag. ,