M C S THE definit ion of the different sectors of the indus t r ia l structure of an economy has to be baaed on a p ragmat ic appraisal of the preva i l ing conditions, w i t h due al lowance for adjustments and var ia t ions . if it is to be economical ly meaningful . Such an approach is needed a l l the more in the context of a g r o w i n g economy, fast developing as a result of conscious a...