1. Essays on Mining Economics and System Modeling Open Access Author: Zhang, Kuangyuan Title: Essays on Mining Economics and System Modeling Graduate Program: Energy and Mineral Engineering Keywords: Mining EconomicsReal Option EvaluationMean-reverting of Commodity PriceMaterial CriticalityYttriumChina’s Rare Earth P File: Download Kuangyuan_Zhang.pdf Committee Members: Andrew Nathan Kleit, Dissertation Advisor/Co-AdvisorAntonio Nieto, Dissertation Advisor/Co-AdvisorAndrew Nathan Kleit, Committee Chair/Co-ChairAntonio Nieto, Committee Chair/Co-ChairGeorge Young, Committee MemberShimin Liu, Committee Member