Jakość prognoz przedsiębiorstw przemysłowych

In this chapter, an attempt to analyze ąuality of predictions of industrial enterprises is described. Data originates from monthly questionnaires conducted by the Institute of Economic Developments Warsaw School of Economics. Usually, two groups of questions are included in questionnaires of overall economic situation. First group concerns current values of various economic variables, second one - changes in these values in near futurę. Expectations of respondents create a certain expert system of predictions. The obvious question is: what is the quality of these predictions? In this chapter, attention has been focused on industrial output which plays a major part in building a comprehensiye coefficient of economic conditions of industry.