Multisectoral econometric models of the centrally planned economies and the disequilibria |
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Authors: | Władysław Welfe |
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Institution: | 1. Institute of Econometrics and Statistics, University of ?od?, Lodz, Poland
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Abstract: | The paper provides a systematic analysis of the properties of large econometric macro models built for the Centrally Planned economies of the '70s and '80s. A specific typology of macro models is introduced, distinguishing between the demand and quasi-demand determined systems on the one hand and the supply and quasi-supply determined systems on the other, and also between complete and incomplete models specifying only one side of economic activities (i.e. generating either demand or supply). It is shown that, under the command type economy, the incomplete, fully supply determined systems prevailed, generating production and showing its allocation. The economic reforms of the '80s, which aimed at a slow transition towards market economies, brought about a tendency towards constructing complete quasi-supply determined systems (especially for Poland and the CSRS). Since, in principle, they were built for shortage economies, the model builders had to allow for unobservables (final and intermediate demand, capacity utilization) and, on the other hand, for an increasing role of the financial phenomena (including prices) and financial policy instruments. A summary of the applications of macro models in forecasting and policy simulations is provided and new tendencies associated with regaining economic equilibria and approaching the market mechanisms emerging in the period of transition are shown. |
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