Chapter 4: Utility-Based Valuation Methodology
The following sections are included:
Introduction
The ESO Valuation Model
The employee’s investment problem
ESO cost to the firm
The Employee’s Exercise Policy
The free boundary problem of reaction–diffusion type
Characterization of the employee’s exercise boundary
Effects of parameters on the employee’s exercise policy
Numerical solution
Analysis of the ESO Cost
Effects of vesting, risk aversion, and job termination risk
Comparison with other models
Valuation Model with Multiple Exercises
The employee’s investment problem
The free boundary problem
The cost of multiple issues
Characterization of the employee’s exercise boundaries
The impact of multiple exercises
Existence of a Generalized Solution