metal markets, namely Gold, Silver, Copper, Zinc and Aluminium. We employ a multivariate Fractionally Integrated Generalized …

The purpose of this paper is to examine the empirical behavior of copper spot prices in London Metal Exchange. Based on … the particularities of the copper, various continuous processes are used. We simulate one, two and three factors … a class of stochastic volatility model has a great capacity to forecast the current copper prices …

We use data from the London Metal Exchange (LME) to forecast monthly copper returns using the recently proposed dynamic … predictive component in copper returns. Covering an out-of-sample period from May 2002 to June 2014 and employing standard …

A strand of research documents Chile's copper dependence hence significant exposure to terms of trade shocks. Copper …'s adjustment capacity to external shocks. Following Malz (2014), this paper builds a time-varying measure of copper price …

This study was carried out to determine the toxicity of copper sulphate to African Catfish (Clarias gariepinus). The … toxicant (copper sulphate) was introduced at varying concentrations of 10g/l, 20g/l, 30g/l and 40g/l in the first range …/l. From the definitive test, the Median Lethal Concentration of copper sulphate to Clarias gariepinus was found to be 0.175g …