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Efficiency estimation and duality theory for nonconvex technologies
First, Z.; Hackman, S. T.; Passy, U. - In: Journal of Mathematical Economics 22 (1993) 3, pp. 295-307
Persistent link: https://www.econbiz.de/10005388366
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Projectively-convex sets and functions
Hackman, Steven T.; Passy, Ury - In: Journal of Mathematical Economics 17 (1988) 1, pp. 55-68
Persistent link: https://www.econbiz.de/10005527143