From 2007 New Zealand firms must report the cost of granting employee stock options (ESOs). Market-based option pricing models assume that options are continuously tradable and thus that option holders are indifferent to the specific risk of the firm. ESOs by contrast cannot be traded and so...

From 2007, New Zealand firms must report the cost of granting employee stock options (ESOs). Market‐based option pricing models assume that option holders are unconstrained in their portfolio choices and thus are indifferent to the specific risk of any firm. By contrast, ESO holders are...