Sample Complexity for Non-Truthful Mechanisms
  This paper considers the design of non-truthful mechanisms from samples. We identify a parameterized family of mechanisms with strategically simple winner-pays-bid, all-pay, and truthful payment formats. In general (not necessarily downward-closed) single-parameter feasibility environments we prove that the family has low representation and generalization error. Specifically, polynomially many bid samples suffice to identify and run a mechanism that is $\epsilon$-close in Bayes-Nash equilibrium revenue or welfare to that of the optimal truthful mechanism with high probability. 
Jason Hartline and Samuel Taggart
cs.GT