Department of Economics and Marketing Discussion Paper No.27 An Optimal Control Model for Pest Management Under Bait-shyness Kathryn B Bicknell N Ross Lambie December 1996 Department of Economics and Marketing PO Box 84 Lincoln University CANTERBURY Telephone No: (64) (3) 325 2811 Fax No: (64) (3) 325 3847 E-mail: bicknelk@lincoln.ac.nz ISSN 1173-0854 ISBN 1-877176-04-4