SEMAINE D'ÉTUDE SUR LE ROLE DE L ANALYSE ECONOMETRIQUE ETC. 02"

It may be recalled that according as A is below or above
unity, amortisation is more or less rapid than in the exponential
 model (1).

Value of €

SIQ.

(519-1)

From the limited expansion (314-6) we have

A -

fo> 872i -p,

[f it be assumed that

(510-2)

‘y

a condition which is met in the majority of cases, then

(510-3) ter Ze (imp <@ <r in

To see this more specifically, consider the case of the United
States for which

(510-4)

(>

336.

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