Sengupta JK (1989). “Nonparametric-Tests of Efficiency of Portfolio Investment.” J Economics-Zeitschrift Fur Nationalokonomie 5: 1-15.

Sengupta JK (1990). “Measuring Portfolio Efficiency: A Critique.” Int J Syst Sci 21(3): 511-525.

Sengupta JK (1990). “Structural Efficiency in Stochastic Models of Data Envelopment Analysis.” Int J Syst Sci 21(6): 1047-1056.

Sengupta JK (1990). “Tests of Efficiency in Data Envelopment Analysis.” Computer and Operations Research 1: 123-132.

Sengupta JK (1990). “Transformations in Stochastic DEA Models ” J Econometrics 46(1/2): 109-123.

Sengupta JK (1991). “The Influence Curve Approach in Data Envelopment Analysis.” Mathematical Programming, Series B 5: 147-166.

Sengupta JK (1991). “Rapid Growth in N.I.C.S in Asia – Tests of New Growth Theory for Korea.” KYKLOS:International Review for Social Sciences 4(44): 561-579.

Sengupta JK (1991). “Robust Decisions in Economic Models.” Computer and Operations Research 18(2): 221-232.

Sengupta JK (1989). “A Contribution to the Theory of Farrell Efficiency.? in Essays in Honor of Professor Bhabatosh Daaacalcutta.

Sengupta JK (1989). “Data Envelopment with Maximum Correlation.” Int J Syst Sci 20(11): 2085-2093.