Showing 1 - 5 of 5
In this paper we set out to test whether, on sector level, returns series in South Africa exhibit long memory and asymmetries and, more specifically, whether these effects should be accounted for when assessing downside risk. The purpose of this analysis is not to identify the most optimal...
Persistent link: https://www.econbiz.de/10011228198
This paper tests the well-established finding in the literature that SA firms are significantly more profitable and operate in a highly concentrated market, relative to that of their foreign counterparts. In particular we question the conclusions drawn by Aghion, Braun, and Fedderke (2008) who...
Persistent link: https://www.econbiz.de/10011195762
In this paper we test whether the key metals prices of gold and platinum significantly improve inflation forecasts for the South African economy. We also test whether controlling for conditional correlations in a dynamic setup, using bivariate Bayesian-Dynamic Conditional Correlation (B-DCC)...
Persistent link: https://www.econbiz.de/10011206985
This paper sets out to date-stamp periods of historic oil price explosivity (or bubbles) using the Generalized sup ADF (GSADF) test procedure suggested by Phillips et al. (2013). The date-stamping strategy used in this paper is effective at identifying periodically collapsing bubbles; a feature...
Persistent link: https://www.econbiz.de/10010934317
This paper explores the dynamics of return co-movements between the largest economic sectors in South Africa, specifically with a view to shed light on the inter-sector diversification potential of domestic investors over time. It has been widely documented that investors have a home-bias when...
Persistent link: https://www.econbiz.de/10010834060