loping it However, a note on the techniques' limitations, as experienced by its practitioners in the present investigation, could also have been given. Due to a change in the definition of workers in the census reports, the study could not make inter-temporal comparisons of participation ratios. Also, the. increase in agricultural labour could not be quantified, A follow-up in due course, based on the 1981 census; can avoid these limitations. That may also be of interest for other reasons, A decade is too short to observe evolutionary changes, such as those resulting from lags in the interactions of changes in structure, activity and performance, It is fair to say that the authors are seized of this. Also, added interest comes from the provisional figures of the census of 1981 which show an intriguing drop in the state's growth rate from 22.30 per cent in the sixties to 17.23 per cent in the seventies.
