the ‘financial crisis’, or higher during the period of the ‘financial recovery’ – or was there no difference. Therefore, we let σ1 represent the period of ‘financial crisis’ and let σ2 represent the period of ‘financial recovery’, so the analysis is testing for evidence of a difference between σ1 and σ2 specifically, the null hypothesis: H0: σ1 = σ2 H1: σ1 ≠ σ2 Why FTSE ALL-Share The reasons why we choose the FTSE ALL-Share to analyze the short-term volatility between the periods of ‘financial crisis’…
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