% of online auctions. Furthermore, we also find the probability of the inefficient online auction is more than 0.25 …

This paper shows point identification in first-price auction models with risk aversion and unobserved auction … heterogeneity by exploiting multiple bids from each auction and variation in the number of bidders. The required exclusion … samples and that ignoring unobserved auction heterogeneity can lead to a significant bias in risk-aversion estimates. In an …

-bid auction with affiliation. The results potentially extend the existing non-parametric identification result for first …

overbidding puzzle, but no canonical alternative to RNBNE has emerged, and RNBNE remains the basis of the structural auction …

-price sealed-bid auction models within the independent private value paradigm in the presence of auction-specific heterogeneity. We …