Table 10 General statistics concerning returns to scale (non-oriented model)
From: On evaluating health centers groups in Lisbon and Tagus Valley: efficiency, equity and quality
Model I | Model II | Model III | Model IV | ||||
|---|---|---|---|---|---|---|---|
Year | 2009 | 2010 | 2009 | 2010 | 2009 | 2010 | 2010 |
Σ λ CRS average | 1,832 | 1,761 | 0,9812 | 0,938 | 0,939 | 0,932 | 0,9418 |
max Σ λ CRS | 3,581 | 3,293 | 1,378 | 1,406 | 1,306 | 1,207 | 1,316 |
DMU with max Σ λ CRS | 3 | 3 | 18 | 3 | 15 | 15 | 16 |
# of DMUs with Σ λ CRS >1 | 18 | 16 | 8 | 5 | 6 | 5 | 6 |
min Σ λ CRS | - | - | 0,537 | 0,5345 | 0,483 | 0,5628 | 0,5225 |
DMU with min Σ λ CRS | - | - | 9 | 9 | 9 | 9 | |
# of DMUs with Σ λ CRS <1 | 0 | 0 | 9 | 11 | 8 | 9 | 10 |
# of DMUs with Σ λ CRS =1 | 4 | 6 | 5 | 6 | 8 | 8 | 6 |