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time portfolio approach to investigate the long-run anomalies, each of the methods is a subject to criticisms. In this … paper, we show that a recently introduced calendar time methodology, known as Standardized Calendar Time Approach (SCTA …), controls well for heteroscedasticity problem which occurs in calendar time methodology due to varying portfolio compositions …
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This paper is a comprehensive investigation of calendar anomalies in the Ukrainian stock market. It employs various statistical techniques (average analysis, Student's t-test, ANOVA, the Kruskal-Wallis test, and regression analysis with dummy variables) and a trading simulation approach to test...
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