Musk asks SpaceX IPO banks to buy Grok subscriptions - Tech in Asia
Musk asks SpaceX IPO banks to buy Grok subscriptions Tech in Asia
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Collusion-proof Auction Design using Side Information
arXiv:2511.12456v3 Announce Type: replace Abstract: We consider a multi-unit auction of identical items with single-minded bidders, where a subset of bidders may collude by coordinating bids and transferring payments and items among themselves. Classical collusion-proof mechanisms are largely restricted to posted-price formats, which fail to guarantee even approximate efficiency. We therefore adopt a learning-augmented approach to leverage side information about which bidders are colluding and obtain improved welfare and revenue guarantees. In our setting, colluding bidders optimally shade their bids to suppress prices. Using this characterization, we establish a Bulow-Klemperer type result showing that recruiting more honest bidders is better than the best collusion-proof auction mechanis
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