Accepted by Peter Clarkson. I appreciate the comments of Peter Clarkson and two anonymous reviewers. This paper is based mainly on my dissertation completed at the University of Waterloo. I would like to thank my thesis supervisor, Christine Wiedman, and the rest of my dissertation committee: Duane Kennedy, Michel Magnan, Ken Vetzal, and Tony Wirjanto. I would also like to thank Heather Wier for help in the development of the current manuscript. I gratefully acknowledge the assistance provided by a Nova Faculty Fellowship, awarded by the Alberta School of Business.