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Stochastic non-convex envelopment of data: Applying isotonic regression to frontier estimation
Keshvari, Abolfazl, (2013)
Stochastic non-convex envelopment of data : applying isotonic regression to frontier estimation
A penalized method for multivariate concave least squares with application to productivity analysis
Keshvari, Abolfazl, (2017)