Abstract
In this paper we generalize Rock's theory regarding the underpricing of IPOs. In Rock's model, informed investors have a firm-specific informational advantage pertaining to a firm's cash flow. We derive the new results that the level of beta and the size of the market risk premium positively affect underpricing. These implications extend the adverse selection theory and further distinguish this theory from the current state of signalling theories of underpricing. The results put the “hot and cold” issue markets phenomenon in a theoretical context. Empirical results are consistent with the theoretical propositions and provide support for Rock's theory of underpricing.
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Balvers, R.J., Affleck-Graves, J., Miller, R.E. et al. The underpricing of initial public offerings: A theoretical and empirical reconsideration of the adverse selection hypothesis. Rev Quant Finan Acc 3, 221–239 (1993). https://doi.org/10.1007/BF02407007
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DOI: https://doi.org/10.1007/BF02407007