Umoru, David; Igbinovia, Beauty; Odegha, Benjamin - In: Economic Forum 15 (2025) 1, pp. 38-57
conducted. The Markov-regime model was estimated for robustness check. The wavelet scale W1 exhibited a variance of 574.7375 and … a relative percentage of 20.95% in explaining stock price variability, whereas wavelet scale W3 had a variance of 288 ….5577 and a relative proportion of 15.54%, and wavelet scale W2 had a variance of 159.5644 and a relative proportion of 8 …