Title

A Censored Quantile Regression Analysis of Employee Stock Options Substitution for Debt and the Impact of SFAS 123R

Document Type

Article

Publication Date

2012

Publication Source

Managerial Finance

Volume

38

Issue

2

Inclusive pages

165-187

DOI

http://dx.doi.org/10.1108/03074351211193712

Publisher

Emerald

ISBN/ISSN

0307-4358

Peer Reviewed

yes

Abstract

Purpose
– This paper aims to examine whether the substitution of employee stock options (ESOs) for debt occurs for firms with different tax status classifications throughout the conditional distribution of interest expense before and after the implementation of Statement of Financial Accounting Standard 123R (SFAS 123R).
Design/methodology/approach
– This study uses Censored Quantile Regression (CQR) to assess whether the substitution effect is dependent on firms' position in the conditional distribution of interest expense. Our sample firms are categorized into two groups: one group (tax‐sensitive) that is sensitive to additional deductions due to a moderate income level and the other group (tax‐insatiable) that is not sensitive because of very high income level.
Findings
– The substitution effect is not present for firms with below medium level of interest expense. Only tax‐sensitive firms substitute at medium levels of interest expense while both tax‐sensitive and tax‐insatiable firms substitute at high levels of interest expense. Tax‐insatiable firms with very high levels of interest expense also substitute; however, tax‐sensitive firms with very high levels of interest expense only substitute after SFAS 123R required firms to report ESO expense in financial statements. We attribute the substitution patterns revealed by the CQR analysis to a positive relationship between interest expense and cost of debt.
Originality/value
– To the authors' knowledge, this is the first paper to analyze firms' tax status classification impact on the substitution of ESO expense for interest expense across different levels of interest expense. Our application of CQR should benefit researchers who are interested in examining explanatory variables' impact at various points in the conditional distribution of the dependent variable. This study also refines the conjecture that ESOs are substitutes for debt by demonstrating that such relationship is dependent on the level of interest expense and tax status. Furthermore, the finding of firms substituting ESOs for debt provides accounting standard setters a reason to begin requiring firms to re‐measure the value of ESOs after the grant date until the exercise date.

Keywords

Substitution hypothesis, Employees, Stock options, Censored quantile regression, Capital structure

Disciplines

Accounting | Corporate Finance | Taxation

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