SEMAINE D'ÉTUDE SUR LE ROLE DE L’ANALYSE ECONOMETRIOUE ETC. 
says that, at prices implicit in the path (%,, 2,), « revenue 
from total output minus « rental cost of use of capital 
maximized in that path. 
(24) and (25) together give rise to Propositions (H), (7 
(26) 
Then 1j 
for ali 
(H) L.+ * 
«À 
qi 
a 
z(p) be defined as the solution =, 
A 
AZ=Xx, where © 
oT 
nique optimal bath 1s 
La 
The determination of z(2) is shown in Figure ecaus 
of the strict concavity of f(z, « * end £tu, evist ana sie um 
que, and 0<_z(g)<2(¢*)<2 fu, 9. and hence 
since f(z) — Az increases for 
(27) Z(o)=flz\, 
r2lo) < aye) =< x for f'(o)—\ > p. 
wu 
4 
Koobmans - pag. 27