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smfa 1.0.0
Initial CRAN release
- First public release of
smfa.
- Implements stochastic metafrontier analysis for productivity and performance benchmarking across firms operating under different technologies.
- Supports three group-frontier types via ‘sfaR’:
- Standard SFA (
sfacross)
- Latent class SFA (
sfalcmcross)
- Sample-selection-corrected SFA (
sfaselectioncross)
- Three metafrontier estimation methods:
- Linear programming (LP) deterministic envelope
- Quadratic programming (QP) deterministic envelope
- Second-stage stochastic frontier (Huang et al. 2014; O’Donnell et al. 2008)
- Full efficiency outputs via
efficiencies(): group TE (JLMS and BC), metafrontier TE, and metatechnology ratios (MTR).
- Five vignettes illustrating each major use case.
