THE PROPOSAL OF FORECASTING MODEL FOR ACCOUNTING UNITS OF OPFs

• Authors: Chybalski F.
• Languages of publication: PL

Abstracts

EN

Since the pension system reform in Poland, carried out in 1999, the open pension funds (OPFs) are in operation. They are forming the second pillar of the system and realize capital pension insurances. The main aim of pension funds activity is accumulation and investing contributions paying by the employees. The measure which indicates the growth of pension funds assets made by investments is an accounting unit. The paper presents the forecasting model for the accounting unit and the comparison of the accuracy of the forecasts estimated with use of it and two different methods: exponential smoothing methods and trend models. The proposed model (a mathematical expression is given), is referred to as the model of time series with the linear combination of increases because the forecast is the sum of the last observation and the combination of a number of last increases. The parameters are estimated with use of the criterion of the minimal middle ex post error. The accuracy of the forecasts of the accounting unit value, estimated with use of the model of time series with the linear combination of increases, is significantly higher than in case of the forecasts estimated with use of the exponential smoothing model and trend model. The assessment of the possible more universal application of proposed model to forecasting time series requires its testing on different variables which is the subject of authors investigations.

Keywords

EN

OPEN PENSION FUNDS (POLAND); TIME SERIES MODELS

Discipline

• ECONOMICS: ECONOMICS

• Publisher: Główny Urząd Statystyczny
• Journal: Przegląd Statystyczny
• Year: 2006
• Volume: 53
• Issue: 3
• Pages: 73-82
• Document type: ARTICLE

Contributors

author

Chybalski F.

• F. Chybalski, Politechnika Lódzka, Instytut Zarzadzania, ul. Piotrkowska 266, 90-361 Lódz, Poland

Identifiers

CEJSH db identifier

07PLAAAA01843929