Unobserved components time series models decompose a time series into a trend, a season, a cycle, an irregular disturbance, and possibly other components. These models have been successfully applied to many economic time series. The standard assumption of a linear model, often appropriate after...

Seasonality in stock markets is a regular and repetitive phenomenon occurring at some regular intervals of time, which may generate abnormal or excess returns. This paper explores the existence of seasonality in Indian stock market in four forms, namely, day-of-the-week effect, month-of-the-year...