Construction of Economic Index Numbers With an Incomplete Set of Data
Keith C. Brown
K. Rao
Kadiyala
Review of Economics and
Statistics
65, 1983, pp. 520-524
In this paper, the Joint Equation Estimation Method (JEEM)
of predicting missing data is introduced and applied to the problem of
constructing economic index numbers. The
main implication of this investigation is that any properly designed regression
method, particularly the JEEM, can be a valuable tool in reconstructing a
partial series of economic data. It is
documented that beyond the superior theoretical properties of the JEEM relative
to single equation approaches, there are also substantial empirical gains in terms
of both a reduction in predictor variance and measured predictive ability. When this is coupled with the fact that there
is virtually no additional computational difficulty, the advantage of the
grouped equation technique is that much more pronounced.
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