FIDESSA. In accordance with the market microstructure literature stating that fragmentation affects volatility at the …

Market Hypothesis sense. The paper tries to show that this so-called excess volatility is to a large extend the result of the …, constant dividend growth rates as well as non-variable discount rates. It is shown that indeed volatility declines considerably … cashflow ; excess volatility ; variance bound test ; rational expectations …

In this paper, we used the GARCH (1,1) and GARCH-M (1,1) models to investigate volatility and persistence at daily … persistence of volatility, meaning that the conditional volatility tends to revert faster to the long-term mean than the other … statistically significant and positive (thus confirming the hypothesis that an increase in volatility leads an increase in future …