JATI SENGUPTA is Professor of Economics at the University of California Santa Barbara, USA. He is an international expert in efficiency theory and decision analysis under uncertainty. He has published three research monographs on applied efficiency theory including data envelopment analysis. He has international consulting experience at the World Bank, Ford Foundation and other agencies. BIRESH SALOO is Associate Professor of Economics at the Amrita School of Business, India. He has been a recipient of the Postdoctoral Fellowship in 2001-02 under the Japan Society for the Promotion of S