Artikel
Spurious seasonality detection: A non-parametric test proposal
This paper offers a general and comprehensive definition of the day-of-the-week effect. Using symbolic dynamics, we develop a unique test based on ordinal patterns in order to detect it. This test uncovers the fact that the so-called 'day-of-the-week' effect is partly an artifact of the hidden correlation structure of the data. We present simulations based on artificial time series as well. While time series generated with long memory are prone to exhibit daily seasonality, pure white noise signals exhibit no pattern preference. Since ours is a non-parametric test, it requires no assumptions about the distribution of returns, so that it could be a practical alternative to conventional econometric tests. We also made an exhaustive application of the here-proposed technique to 83 stock indexes around the world. Finally, the paper highlights the relevance of symbolic analysis in economic time series studies.
- Sprache
-
Englisch
- Erschienen in
-
Journal: Econometrics ; ISSN: 2225-1146 ; Volume: 6 ; Year: 2018 ; Issue: 1 ; Pages: 1-15 ; Basel: MDPI
- Klassifikation
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Wirtschaft
Semiparametric and Nonparametric Methods: General
Econometric and Statistical Methods: Other
Financial Econometrics
- Thema
-
daily seasonality
ordinal patterns
stock market
symbolic analysis
- Ereignis
-
Geistige Schöpfung
- (wer)
-
Bariviera, Aurelio F.
Plastino, Angelo
Judge, George
- Ereignis
-
Veröffentlichung
- (wer)
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MDPI
- (wo)
-
Basel
- (wann)
-
2018
- DOI
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doi:10.3390/econometrics6010003
- Handle
- Letzte Aktualisierung
-
10.03.2025, 11:45 MEZ
Datenpartner
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Objekttyp
- Artikel
Beteiligte
- Bariviera, Aurelio F.
- Plastino, Angelo
- Judge, George
- MDPI
Entstanden
- 2018
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