, the paper analyzes the returns correlation, serial correlation and heteroscedasticity on the NSE All-share Index, Banking … from the ACF and LB-Q statistics indicate evidence of serial correlation in majority of the sectors’ returns. Furthermore … descriptive statistics, autocorrelation function (ACF) and Ljung-Box Q (LB-Q) statistics, as well as the autoregressive …

critical shifts are usually associated with generic empirical phenomena such as strengthening correlations between entities …

actual sizes. The Monte Carlo implementation allows the use of test statistics which are considerably simpler than for the …