SEMAINE D'ETUDE SUR LE ROLE DE L ANALYSE ECONOMETRIOUE ETC.

557

it can therefore be deduced that

Re = (1 - 4.56 x 0.0085,
1C dt=¢C=0.017 x IIG”
Ad =121.8-20.4- 107
263.1 + 20..

C

—U.Uxs +3

<0

or

For the U.S.A. in 1956, relation 533-5, above

P¥*=Rc+I=R, +9 +:C

can finally be written

oO “

*
wy

(') This figure differs greatly from the 34.4 given in the « Economic
Almanac », 1962, p. 12, which related however only to private investment.
On the assumption that the relative values of amortisation of consumer
durables and government investment are the same the 34.4 becomes

34.4 -- — zg
1109.7 — 210.7

1199.7

The 319.7 is derived as the total of 163.4 (consumer durables) and 156.3
public investment). The difference between the two figures 101.4 and 46.9
s a reflection of the inadequacy of the usual methods of estimating amortisation.
 Whatever calculating process is adopted. it should respect the
dentity

on which I have based the calculation

4llais - pag. 14