This
study combines three distinct empirical models of stock returns into a single
model: the autoregressive model, which suggests that stock returns are
determined by their own past values, the (generalised) autoregressive
conditional heteroscedasticity model, which suggests that stock returns
conditional volatility is determined by its past values and by returns shocks,
and the day-of-the-week effect, which suggests that stock returns are higher on
particular days of the week (usually Fridays). All three models represent
departures from the Efficient Market Hypothesis (EMH), in the sense of
proposing a certain degree of predictability in stock returns.
Please read full article - http://www.globalpresshub.com/index.php/AJEFM/
Please read full article - http://www.globalpresshub.com/index.php/AJEFM/
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