When are preferred shares preferred? Theory and empirical evidence

S. Abraham Ravid, Itzhak Venezia, Aharon Ofer, Vicente Pons, Shlomith Zuta

Research output: Contribution to journalArticlepeer-review

Abstract

This paper demonstrates that preferred stock may arise as an optimal security in a tax-induced equilibrium. This result is driven by graduated tax schedules and by uncertainty. In a more general sense, our results can be interpreted as a template for including any security with a different tax treatment in a firm's capital structure. The first part of the paper demonstrates that the Miller equilibrium framework can accommodate more than two securities if different investor classes are taxed differently on each security and the tax schedule for each investor group is upward sloping. We then simplify the tax schedule, but introduce uncertainty, which implies the possibility of bankruptcy and the possible loss of tax shelters. The interaction of tax rates and seniority now affects the contribution of each security to after-tax firm value, as in some states the firm may not be able to pay either interest (or dividends) or even principal to its various claimholders. It is shown why and how these features, i.e. the various tax rates and seniority, determine the financing equilibrium, which is obtained by equating the expected marginal tax benefit of all securities. We demonstrate that non-profitable firms will tend to issue preferred shares whereas profitable firms will not find preferred stock advantageous in our framework. Comparative statics with respect to various tax rates are derived as well. These predictions are tested using a large sample of firms for the last 25 years. The empirical testing broadly confirms the theoretical predictions.

Original languageEnglish
Pages (from-to)198-237
Number of pages40
JournalJournal of Financial Stability
Volume3
Issue number3
DOIs
StatePublished - Oct 2007

Keywords

  • Bankruptcy
  • Preferred stock
  • Taxes

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