ResearchBenchmarksFrontier Approximation on Synthetic experiments Scenario AFollow0.804Rank CorrelationGEMA0.331840.454420.5770.69958Mar 17, 2026Evaluation ResultsMethodMethodLinksRank CorrelationFrontier ErrorGEMA2026.030.8040.287ML predictorModel=RFModel=RF2026.030.780.405SFAFunctional form=TranslogFunctional form=Translog2026.030.7270.216DEAReturns to scale=VRSReturns to scale=VRS2026.030.655—FDH2026.030.595—CNLS2026.030.3510.395