Affiliation: | University of Ottawa, Ottawa, Ontario, Canada. We would like to thank the Department of Finance of the Government of Canada, the Government of Québec, the Faculty of Administration of the University of Ottawa, and the Universitédu Québec àHull for their support. The comments of M. C. Jensen, H. DeAngelo, C. W. Smith, J. B. Warner, B. Husson, D. Pène, P. Ryan, and three anonymous referees are appreciated. All responsibility for errors remains with the authors. |