SEMAINE D'ÉTUDE SUR LE ROLE DE L ANALYSE ECONOMETRIQUE ETC.
283
à a
plore —
Jy dt
(79)
For the firsy t
{ai =} which ©
(79a
| (790)
1
vw
choose an attainable path
Lr =((~ ,
| (79¢) T
where 23€ and the number T* T+1 are still subject to late.
choice. In addition, T should be sufficiently large thai, besides
(76), there exists an attainable path (x5, 2%) on [c. T1 sucw tha
2 =%+7.
To obtain a lower bound on the first term in (7) we note
that, in view of Assumption (c) and (38 9%, there cast num-
bers 1,>0 and y>o such that. whenever 71,
[8a
implies
—— AK
ae) 4
Hence, it 0< v=7, and «= wg(2+7,),, we have from (79 a
and (38 b), in analogy to (78),
4
Koopmans - pag. 5c