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In this article, we revisit the Friday the 13th effect discussed by Kolb and Rodriguez (1987) that has received increased interest in recent research. Using a dummy-augmented GARCH model, we investigate whether the occurrence of this superstitious calendar day has significant impact on the...
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In this paper, calendar seasonality patterns are examined from day-of-the-week effect across weekly patterns, monthly …
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This study develops a novel generalised seasonality test that utilises sequential dummy variable regressions for … seasonality periodicity equal to prime numbers. It allows both to test for existence of any seasonal patterns against the broad … null hypothesis of no seasonality and to isolate most prominent seasonal cycles while using harmonic mean p-values to …
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