This study examines the factors that determine the adoption of stock option plans by Chinese listed firms. The results show that adoption of executive stock option plans is positively related to return on assets, market-to-book ratio, and chief executive officer duality structures, but...

Valuing mortgage-related securities is more complicated than valuing regular defaultable claims due to the borrower's prepayment behavior as well as the possibility of default. Some researchers use a structural-form model to obtain the closed-form formulas for the mortgage value. With this...