Background: South African mining organisations are facing numerous challenges: decreasing commodity prices, policy uncertainty, rising input costs and increasing stakeholder expectations. To successfully address these challenges, each mining organisation needs to respond in a unified, aligned...

The Pareto-Normal-Pareto (PNP) distribution assumes that, for log returns of financial series, the innovations are normally distributed between two threshold values with Pareto tails below and above the respective thresholds. These threshold values can be estimated by maximum likelihood...

Background: South African mining organisations are facing numerous challenges: decreasing commodity prices, policy uncertainty, rising input costs and increasing stakeholder expectations. To successfully address these challenges, each mining organisation needs to respond in a unified, aligned...