Trafność prognoz w badaniach koniunktury przedsiębiorstw usługowych
The accuracy of forecasts in business cycle research of service companies

Summary/Abstract: The article presents the accuracy of service companies’ predictions based on data from economic surveys conducted by the CSO. For this purpose, were used two ex post measures, i.e. Theil coefficient and the divergence coefficient for differences. In the situation of poor accuracy of predictions were diagnosed the causes of this fact: they were mostly over-predictions, as well as (though to a lesser extent) inaccurate forecasting turning points.

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