SEMAINE D ÉTUDE SUR LE ROLE DE L ANALYSE ECONOMETRIQUE ETC,

2933

where c;;=a,.g; and /; is the j-th component of the normalized
voN NEUMANN output configuration, ° Nif
‘erentiating (/7* with respect to F +

44)

i -4- Tic as

where

1 Aùuoil dF
Lo ,; / dF,+ 2; du,

and a; is an (»-1) x (#-1) matrix obtained by omitting the i-th
row and the :-th column from a; b; and c; are similarly defined.
As a;+b;+c; is a non-negative matrix with row sums less than
unity, any diagonal element of (I—a,——b;—c;)7! is greater
than off-diagonal elements of the corresponding column. On
the other hand, by our definition of the technical change of the
labour-saving type, we have

45,

In view oi

m

+

We assume tha. ,,

positive.

Si

Morishima - pag. 2,