At times it is desirable to have independent variables in the model that are qualitative rather than quantitative. This is easily handled in a regression framework. Regression uses qualitative ...
The Journal of the Operational Research Society, Vol. 60, No. 12 (Dec., 2009), pp. 1775-1785 (11 pages) The research on efficiency valuations has used two distinct approaches. One is the nonparametric ...
The Journal of the Operational Research Society, Vol. 60, No. 11, Data Envelopment Analysis: Theory and Applications (Nov., 2009), pp. 1483-1494 (12 pages) Insurance companies have to take risk and ...
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