This online appendix contains the plots and supplemental descriptions for "Are Estimates of Asymmetric First-Price Auctions Credible? Semi- & Nonparametric Analyses."The paper "Are Estimates of Asymmetric First-Price Auctions Credible? Semi- & Nonparametric Analyses" to which this Supplement...

Structural asymmetric first-price auction estimation methods have provided numerous empirical studies. However, due to the unobserved nature of underlying valuations, the accuracy of estimates is not feasibly testable with field data, a fact that could inhibit empirical auction market designs...