Forecasting German Gross Domestic Product using DAX Iindex Values: MIDAS Analysis

Authors

  • Muhammed Fatih Yürük

Keywords:

MIDAS, Forecasting, GDP, U-MIDAS, DAX

Abstract

Stock markets are the driving force for the growth and development of national economies. Economic growth is directly proportional to the increase in production capacity. The increase in production capacity, and therefore, economic growth is measured by gross domestic product and gross national product. The frequencies of the variables used in financial time series differ. The frequency of the variables used can be daily, weekly, monthly or quarterly. Data such as gross domestic product is announced quarterly, while stock market data can be daily, monthly or weekly. This was a problem in studies on the relationships between variables with different frequency values. This problem has been solved with the Mixed Data Sampling (MIDAS) method. MIDAS is an effective method used in the empirical analysis of variables with different frequencies. In this study, financial time series with different frequencies were analyzed using the MIDAS method. The monthly data of the German DAX (Deutscher Aktienindex) index and the quarterly data of the German gross domestic product values ​​are taken as variables. GDP values ​​were tried to be estimated using DAX data. The period between 01.01.2000-01.01.2022 is included in the scope of the study. While the GDP series consists of 89 quarters of data, the DAX series consists of 265 data. In the analysis, STEP, U-MIDAS, PDL\ALMON and BETA models were created and their estimation performances were evaluated with RMSE, MAE, MAPE, SMAPE, THEIL U1, THEIL U2. As a result of the evaluation, Unrestricted MIDAS regressions (U-MIDAS) was the method with the best performance.

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Published

2022-10-22

How to Cite

Yürük, M. . F. (2022). Forecasting German Gross Domestic Product using DAX Iindex Values: MIDAS Analysis. Journal of Financial Economics and Banking, 3(2), 77-81. Retrieved from http://jofeb.org/index.php/jofeb/article/view/40

Issue

Section

Research Letters