|
|
|
|
|
Shaoyang Men, Pascal Chargé and Zhe Fu
Dynamic spectrum detection has attracted increasing interest in drone or drone controller detection problems. Spectrum sensing as a promising solution allows us to provide a dynamic spectrum map within the target frequency band by estimating the occupied...
ver más
|
|
|
|
|
|
|
|
|
|
|
Joel Hinaunye Eita and Charles Raoul Tchuinkam Djemo
This paper attempted to apply an EVT-based pairwise copula method for modelling risk interaction between foreign exchange rates and equity indices of the Johannesburg Stock Exchange (JSE) and to model the dependence structure of the underlying assets wit...
ver más
|
|
|
|
|
|
|
|
|
|
|
Bridget Nkemnole,Olaide Abass
AbstractOrientation: Geometric Brownian motion (GBM) model basically suggests whether the distribution of asset returns is normal or lognormal. However, many empirical studies have revealed that return distributions are usually not normal. These stu...
ver más
|
|
|
|
|
|
|
|
|
|
|
Retius Chifurira,Knowledge Chinhamu
AbstractOrientation: Value-at-risk (VAR) and other risk management tools, such as expected shortfall (conditional VAR), are heavily reliant on a suitable set of underlying distributional conjecture. Thus, distinguishing the underlying distribution that b...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tafirei Mashamba,Rabson Magweva
AbstractOrientation: The behaviour of stock market return volatility and implications thereof in Southern African Development Committee (SADC).Research purpose: The main aim of this study was to examine leverage effects and volatility persisten...
ver más
|
|
|
|
|
|