Gurnani, Haresh and Ray, Tridip (2003): A Procurement Auction Model Under Supplier Uncertainty. Unpublished.
Das, Sanghamitra; Mukhopadhyay, Abhiroop and Ray, Tridip (2007): Integrating Mental Health in Welfare Evaluation: An Empirical Application. Unpublished.
Das, Sanghamitra; Mukhopadhyay, Abhiroop and Ray, Tridip (2008): Negative Reality of the HIV Positives: Evaluating Welfare Loss in a Low Prevalence Country. Unpublished.
