Tone K and BK Sahoo (2005). “Evaluating Cost Efficiency and Returns to Scale in the Life Insurance Corporation of India Using Data Envelopment Analysis.” Socio-Econ Plan Sci 39(4): 261-285.
Tone K and BK Sahoo (2005). “Evaluating Cost Efficiency and Returns to Scale in the Life Insurance Corporation of India Using Data Envelopment Analysis.” Socio-Econ Plan Sci 39(4): 261-285.