Junior Management Science, Volume 5, Issue 3, September 2020, 295-311

Impact of Weather on the Stock Market Returns of Different Industries in Germany

Astrid Schulte-Huermann, WHU – Otto Beisheim School of Management (Bachelorarbeit)

Weather affects people’s mood, according to psychological studies. For example, low temperature can cause aggression, whereas high temperature can induce apathy. Therefore, it may be possible that weather-influenced mood, driven by mood’s impact on decision-making, exerts an influence on investment decisions and risk-taking behaviour. Thereby, it might also impact stock market returns. I examine market returns of nine industries in Germany. Empirical results illustrate two findings. First, a statistically significant, negative correlation between market returns and temperature, second, a different effect of weather on industrial sectors is identified. A significant correlation can be found for six out of nine sectors.

Keywords: Stock markets; investor behaviour; weather effect; market returns; decision-making.

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