5Baumol William,Bradford David. Optimal Departures from Marginal Cost Pricing[J]. American Economic Review 1970,160: 265 - 283.
6Wilson R. Nonlinear Pricing and Mechanism Design[A], in:Amman H M, Kendrick D A ,Rust J. Handbook of Computational Economics[C].Amsterdam: Elsevier, 1996,253~293 .
7Wilson Robert. Nonlinear Pricing[M]. Oxford: Oxford University Press,1993.