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NEWS.md

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.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.