We present the results of implementing a real options model for valuing an investment project that expands production capacity and/or modifies unit costs of a copper mine. The model and its implementation addresses the three requirements we find necessary to increase the use of the real option...

This article develops a real options model for valuing natural resource exploration investments (e.g. oil or copper) when there is joint price and geological-technical uncertainty. After a successful several-stage exploration phase, there is a development investment and an extraction phase. All...