Lockup agreements and survival of UK IPOs

Ahmad, Wasim and Jelic, Ranko (2014) Lockup agreements and survival of UK IPOs. Journal of Business Finance and Accounting, 41 (5-6). pp. 717-742. ISSN 0306-686X

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This paper examines the role of lockup agreements on the survival of 580 UK Initial Public Offerings (IPOs) during the period of 1990-2011. Our accelerated failure time (AFT) survival model shows a statistically and economically significant effect of lockup length on the post-IPO survival. A 12 month increase in median lockup period increases the (median) survival time by 27%. Furthermore, the failure rates for IPOs with longer lockups are consistently lower than the failure rates for IPOs with shorter lockups regardless of delisting reasons. The results are robust to choice of different survival estimation models, heterogeneity, clustering, and alternative specification of variables. Our results highlight the importance of lockup characteristics on the subsequent survival of newly listed firms and inform recent debate regarding alleged short-termism in the UK equity market. © 2014 The Authors Journal of Business Finance & Accounting published by John Wiley & Sons Ltd.

Item Type: Article
Schools and Departments: School of Business, Management and Economics > Business and Management
Subjects: H Social Sciences > HG Finance > HG4001 Finance management. Business finance. Corporation finance
Depositing User: Ranko Jelic
Date Deposited: 15 Dec 2014 11:40
Last Modified: 20 Jun 2016 09:49
URI: http://srodev.sussex.ac.uk/id/eprint/51681
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