MECHANISM DESIGN IN QUEUEING PROBLEMS ∗ Manipushpak Mitra Revised on September 1999 Indian Statistical Institute 7, S. J. S. Sansanwal Marg New Delhi-110016 * I wish to thank Debasish Goswami, Suresh Mutuswami, Sukanta Pati, Prof. Bhaskar Dutta, Prof. Arijit Sen, Prof. Jean Tirole and my advisor Prof. Arunava Sen for their invaluable advice.