Quid Pro Quo in IPO Auctions

Jingbin He (), Bo Liu () and Hong Zou ()
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Jingbin He: Southwestern University of Finance and Economics
Bo Liu: University of Electronic Science and Technology of China
Hong Zou: The University of Hong Kong

Journal of Business Ethics, 2025, vol. 199, issue 2, No 9, 413-436

Abstract: Abstract It is widely accepted that quid pro quo or favoritism exists in bookbuilding IPOs where the securities underwriter has share allocation discretion, and that auctioned IPOs should be largely free from quid pro quo because the underwriter does not have share allocation discretion. Using proprietary data on IPO auctions from China and a regulatory regime change on share allocation, we show that when the share allocation rule shifts from pro rata to lottery draw (that makes quid pro quo valuable to a bidder), mutual fund families having stronger pre-shift brokerage commission ties with the underwriter submit bids later, place more strategic bids, have more bids qualified for the allocation round, and are more likely to receive share allocation than other fund families. These patterns are not apparent in fund families that possess a robust business culture. The evidence is consistent with the existence of quid pro quo in IPO auctions facilitated by the underwriter’s leakage of confidential bidding information in some fund family and underwriter pairs. This unethical practice not only creates conflicts of interest, jeopardizes fair play, but also discourages information production and affects accurate valuation.

Keywords: IPO; Uniform price; Auction; Quid pro quo; Underwriter favoritism; Rent seeking (search for similar items in EconPapers)
JEL-codes: G32 (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s10551-024-05839-0

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