The author is grateful to the editor, the associate editor, and the two anonymous reviewers for their thoughtful and constructive suggestions, which have greatly enhanced the quality of the paper. The author also thanks the Centre for Applied Research at NHH for its generous financial support.
INFORMS site uses cookies to store information on your computer. Some are essential to make our site work; Others help us improve the user experience. By using this site, you consent to the placement of these cookies. Please read our Privacy Statement to learn more.