Sengupta JK (2002). “Model of Hypercompetition.” Int J Syst Sci 33(8): 669-675.

Sengupta JK (2003). New Efficiency Theory: With Applications of Data Envelopment Analysis, Springer.

Sengupta JK (2004). “Estimating Technical Change by Nonparametric Methods.” Appl Econ 36(5): 413-420.

Sengupta JK (2004). “The Survivor Technique and the Cost Frontier: A Nonparametric Approach.” Int J Prod Econ 87(2): 185-193.

Sengupta JK (2005). “Data Envelopment Analysis with Heterogeneous Data: An Application.” JORS 56(6): 676-686.

Sengupta JK (2005). “Nonparametric Efficiency Analysis under Uncertainty Using Data Envelopment Analysis.” Int J Prod Econ 95(1): 39-49.

Sengupta JK and GK Kadekodi (1988). Econometrics of Planning and Efficiency. Dordrecht, Kluwer.

Sengupta JK and M Khalili (1986). “Efficiency in Water Allocation under Stochastic Demand.” Appl Econ 1: 37-48.

Sengupta JK (1999). “Efficiency Measurements with R&D Inputs and Learning by Doing.” Appl Econ Letters 6(10): 629-632.

Sengupta JK (1999). “Farrell-Type Efficiency under Demand and Price Fluctuations.” Appl Econ Letters 6(8): 505-507.