Tying Initial Public Offering (IPO) allocations to after-listing purchases of other IPO shares, as a form of price support, has generated much theoretical interest and media attention. Price support is price manipulation and can reduce secondary investor return. Obtaining data to investigate...

Shares sold through Initial Public Offerings (IPOs) are often underpriced and therefore very popular investment objects. Fjesme (2016) documents that the allocating investment bank requires certain larger investors in popular IPOs to also purchase more shares after the stock exchange listing....

Practitioners, regulators, and the financial media argue that underwriters tie Initial Public Offering (IPO) allocations to investor post-listing buying of the issuer shares in a process labelled price support. Arguably, this excess demand boosts post-listing returns which underwriters trade...

Regulators, investors, and the financial media argue that underwriters tie Initial Public Offering (IPO) allocations to investor post-listing purchases in the issuer shares. Using unique data from the Oslo Stock Exchange (OSE) I investigate if these tie-in agreements are driven by price...