Development version of sfa CRAN package
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Updated
Oct 8, 2026 - R
Development version of sfa CRAN package
Python package for frontier analysis
Replication code for "When and Why Do DEA and SFA Diverge?" (Journal of Productivity Analysis)
Port digitalization, efficiency and trade costs in Brazilian ports: causal evaluation (staggered DiD, SFA, PPML) + reproducible R/DuckDB observatory
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