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Econometric estimation of enterprise input use and production costs offers a less expensive alternative to special surveys. Estimates of input allocation are of use within programming models, for policy analysis and income forecasting. However, simple ordinary least squares estimation has been plagued by a number of problems and the results have been disappointing. This paper provides some empirical evidence on the extent to which these problems can be overcome, or at least mitigated, through exploitation of panel data sets and appropriate panel data estimation techniques. The results confirm that this approach provides some improvement in estimation results, but some practical and methodological problems remain. |
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