Cvitani, Jakša; cacute; Wiener, Zvi; Zapatero, Fernando - In: Review of Financial Studies 21 (2008) 2, pp. 683-724
We introduce a model that captures the main properties that characterize employee stock options (ESO). We discuss the likelihood of early voluntary ESO exercise, and the obligation to exercise immediately if the employee leaves the firm, except if this happens before options are vested, in which...