Research Article
Profit Malmquist Index and Its Global Form in the Presence of the Negative Data in DEA
Table 1
Input, outputs, and their cost and prices for 3 successive periods.
| | DMU | | | | | | | | | | | | | | | | | | | | | |
| | DMU1 | 3 | 2 | −2 | 1 | 1 | 3 | 4 | 2.3 | −1 | 2 | 1.1 | 3.2 | 6.5 | 3 | −1 | 3 | 1.4 | 4 | | DMU2 | 7 | 2 | −3 | 3 | 1 | 3 | 7 | 2.3 | −3 | 5 | 1.1 | 3.2 | 9 | 3 | −4 | 5 | 1.4 | 4 | | DMU3 | 2 | 2 | −4 | 3.5 | 1 | 3 | 4 | 2.3 | −5 | 6 | 1.1 | 3.2 | 3 | 3 | −4 | 7 | 1.4 | 4 | | DMU4 | 4 | 2 | −1 | 1 | 1 | 3 | 3 | 2.3 | −2 | 2 | 1.1 | 3.2 | 6 | 3 | −2 | 1 | 1.4 | 4 |
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