ABSTRACT
This chapter deals with the main D.E.A. use of input–output methods and describes the model and discusses some of the difficulties have met, and the deficiencies in the model which have become apparent. It suggests that research work necessary for the immediate needs to be met, and to enhance the value of work with the model. Strictly speaking only the second stage might be regarded as an input–output Operation. The first stage could be regarded as ancillary to it and the third and fourth stages as the process of interpreting the results of the input–output work. The second stage of the model gives us estimates of gross output for each industry. Corresponding figures of gross output are, however, not available for ali previous years. Conversion of the input–output results into industrial production indices, rather than for the improvement of the input–output stage, though the 1963 tables will be no good to us until the author can somehow project the coefficients.
