“…There is a long history in economics of using optimal control theory to answer related natural resource policy questions as seen in the use of the method to inform policies aimed at agricultural pests (Lichtenberg and Zilberman, 1986;Archer and Shogren, 1996;Levy and Caputo, 2008). For policies concerned with invasive species, the focus has been on the control of an invasion and whether eradication of the invader is optimal.…”