紧急求助：如何设定DEA期望产出增加和非期望产出减少比例问题

你可以参考有关Russell efficiency measure的文献，例如
Färe, R., Grosskopf, S., Lovell, C.A.K., 1994. Production frontier. Cambridge University Press, Cambridge.
Zhu, J., 1996. Data envelopment analysis with preference structure. Journal of Operational Research Society 47, 136-150.