Madega, Fhulufhedzani Justice; Ravele, Thakhani; … - In: Economies : open access journal 14 (2026) 4, pp. 1-25
This paper compares the daily return volatility by four leading international indices: JSE Top 40, FTSE 100, Nikkei 225 and S&P/ASX 200. The return series are modelled in ARMA process, where ARMA(1,3) values are taken for JSE Top 40 and S&P/ASX 200, ARMA(0,0) for FTSE 100, and ARMA(1,2) for...