Early Exercise Behaviour in Performance-vested Stock Option Grants

Susana Alvarez-Diez, J. Baixauli-Soler and Maria Belda-Ruiz ()
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Susana Alvarez-Diez: Department of Quantitative Methods for the Economy, University of Murcia Murcia
J. Baixauli-Soler: Department of Management and Finance, University of Murcia
Maria Belda-Ruiz: Department of Business Administration, Catholic University of Murcia

Annals of Economics and Finance, 2016, vol. 17, issue 1, 55-78

Abstract: Stock options in executive compensation packages influence risk taking behaviour through the sensitivities of executive wealth to stock price (delta) and stock return volatility (vega). In the context of performance-vested stock options (PVSOs), this paper carries out a sensitivity analysis of the PVSO value and incentives to examine the effect of considering the executive's early exercise behaviour that arises from risk aversion in the valuation framework. The results show the importance of taking into account voluntary early exercise in order to avoid the overvaluation of PVSO value and risk incentives, particularly when the PVSO is in-the-money. It will allow us to obtain correct conclusions about delta and vega and their effects on executive risk-taking behaviour.

Keywords: Performance-vested stock options; Voluntary early exercise; Incentives; Delta; Vega (search for similar items in EconPapers)
JEL-codes: G02 G32 G34 (search for similar items in EconPapers)
Date: 2016
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