A measure of a unit’s ability to produce outputs from its set of inputs. Since the efficiency of a given DMU is measured with respect to other DMUs in the field, the obtained efficiency is always relative. From the standpoint of the efficiency frontier, an enveloped unit’s efficiency is related to its radial distance from the frontier.
William W Cooper
Big Data Optimization:
Recent Developments
and Challenges, Springer

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Emrouznejad A. & E. Cabanda (2014) Managing Service Productivity : Uses of Frontier Efficiency Methodologies and MCDM for Improving Service Performance, Springer –
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Fuzzy Analytic Hierarchy Process.
CRC Press Publisher: Taylor & Francis.

Big Data for Greater Good, Springer

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Emrouznejad A & M Tavana (2014)
Performance Measurement with
Fuzzy Data Envelopment Analysis,
Springer – Order at Amazon

Osman, I. H., A. L. Anouze &
A. Emrouznejad (2014)
Strategic Performance Management &
Measurement Using
Data Envelopment Analysis.
IGI Global, USA.
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FAQ
- What is Data Envelopment Analysis?
- BCC
- Categorical variable
- CCR (ratio) mode
- Composite unit
- Constant returns to scale
- Convex cone - Conical hull
- Convex hull
- Convexity constraint
- Cross efficiency matrix
- DEA algorithm
- DEA results are biased
- Decreasing returns to scale
- Discretionary factor
- Discriminatory power
- DMU (Decision making unit)
- Dual Model
- Dual weights - dual multipliers
- Efficiency score
- Efficiency/Productive efficiency
- Envelopment form
- Environmental factor
- Epsilon
- Exogeneously fixed factor
- Facet
- Homogeneity
- Increasing returns to scale
- Input
- Input-oriented
- Input/output mix
- Isotonicity
- Most productive scale size (MPSS)
- Multiplier form
- Non-naturally enveloped unit
- Nondiscretionary factor
- Ordinal variable
- Outlier
- Output
- Output-oriented
- Overall efficiency
- Pareto-efficiency/Pareto-Koopmans efficiency:
- Peer group
- Piecewise linearity
- Primal (CCR) model
- Production function
- Productivity
- Projected point
- Radial measure
- Ratio models
- Reference set
- Reference unit
- Scale efficiency
- Scale of operations
- Slacks
- Targets
- Technical efficiency
- Technology/Production technology
- Unit
- Unit isoquant/Isoquant
- Units invariance
- Variable
- Variable returns to scale
- Virtual input(output)
- Virtual multipliers
- Visualisation
- Weight Flexibility
- Weights
- Well-rounded performance
- Window analysis