On some semilattice structures for production technologies
Tracing back from Charnes et al.  many approaches have been proposed to extend the DEA production model to non-convex technologies. The FDH method were introduced by Deprins et al.  and it only assumes a free disposal assumption of the technology. This paper, continues further an earlier work by Briec and Horvath . Among other things, a new class of semilattice production technologies is introduced. Duality results as well as computational issues are proposed.
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