How Google Trends Can Improve Market Predictions - the Case of the Warsaw Stock Exchange

• Autorzy: Paweł Kropiński , Marcin Anholcer
• Języki publikacji: EN

Abstrakty

EN

The aim of this paper is to investigate interdependencies between the WIG20 index and economic policy uncertainty (EPU) related keywords quantified by a Google Trends search index. Tests for two periods from January 2015 till December 2019 and from June 2016 till May 2021 have been performed. This allowed the period of relative stability from the time of economic shock caused by the COVID-19 pandemics followed by various restrictions imposed by the governments to be distinguished. A bivariate VAR model to selected search terms and the value of the WIG20 index was applied. After using AIC to establish the optimal number of lags the Granger causality test was performed. The increased empirical relationship has been confirmed between twelve EPU related terms and changes in the WIG20 index in the second period versus six terms for the pre-COVID period. It was also found that in the post-COVID period the intensity of reverse relations increased. (original abstract)

Słowa kluczowe

EN

Granger casuality; Stock market; Uncertainty in the economy; Warsaw Stock Exchange Index; Economic forecast

PL

Przyczynowość w sensie Grangera; Giełda papierów wartościowych; Niepewność w gospodarce; Warszawski Indeks Giełdowy (WIG); Prognozy gospodarcze

• Czasopismo: Economics and Business Review
• Rocznik: 2022
• Tom: 8 (22)
• Numer: nr 2
• Strony: 7--28

Twórcy

autor

Paweł Kropiński

• Poznań University of Economics and Business

autor

Marcin Anholcer

• Poznań University of Economics and Business

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Identyfikatory

DOI

10.18559/ebr.2022.2.2