Hamilton, Barton H. PhD; Ho, Vivian PhD
From the John M. Olin School of Business, Washington University, St. Louis, Missouri.
This research was funded by grants from the Hutchison Foundation of the Montreal General Hospital and the Social Sciences and Humanities Research Council of Canada. This research was begun while both authors were faculty members at McGill University.
Address correspondence to: Barton H. Hamilton, John M. Olin School of Business, Washington University, Campus Box 1133, One Brookings Drive, St. Louis, MO 63130.