fe: 
PONTIFICIAE ACADEMIAE SCIENITARVM SCRIPTA VARIA - 28 
The Value of the Capital which corresponds to the Share of 
Factor Input which will appear in Consumed Income be- 
tween Years 0, and 9,: 
(14. For certain numerical applications, it is useful to eval- 
uate the share Cg (¢) of capital which corresponds to factor 
inputs which are frozen in the form of capital over an interval 
of time included between years 6, and 0,. 
We have 
(114-1) 
6, JL. i(u)du 
C, ()=/fRo(t+=-0)g (t-1-0,0je did 
i 
where the surface S is represented schematically as below 
11 Allais - pag. 28