SEMAINE DETUDE SUR LE ROLE DE L ANALYSE ECONOMETRIOUE ETC. 205

can be assigned monetary values. What this procedure does is
provide a format into which the best current understanding
of the conceptual issues can be inserted.
You will have noted that I have dealt at least as much with
problems of design as with problems of assessment of efficacy,
my assigned topic. This is because these two problems are
inseparable: a fair apprisal of a project requires a good design,
a good design must be based on the standards to be applied
in making the appraisal. In essence, the designer must also
be an appraiser; a separate appraiser if there is one, has onlv
an auditing function

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