Determinants of price stabilisation in initial public offerings Online publication date: Wed, 01-Jul-2020
by Antonio Gledson De Carvalho; João Amaro De Matos; Douglas Beserra Pinheiro
International Journal of Banking, Accounting and Finance (IJBAAF), Vol. 11, No. 3, 2020
Abstract: We model price stabilisation in IPOs as a sequential decision: syndicate short position (SSP); occurrence of aftermarket short covering (ASC); and intensity of the ASC. We provide empirical evidence that corroborates its predictions. Our analysis is possible because in Brazil underwriters must disclose information on price stabilisation. We innovate by simultaneously modelling the three different decisions. Our model predicts, and empirical results confirm, that the three decisions have distinct determinants: ex-ante demand is the only factor affecting the SSP, and ASC and its intensity increases with the riskiness of the issue, the ex-ante demand, and the underwriter's reputation. Our model also innovates by considering the underwriter's reputation.
Online publication date: Wed, 01-Jul-2020
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