In May 1997, the Japanese Commercial Code was amended to allow firms to begin granting stock options as compensation to top management and employees. Nearly 350 firms adopted option-based compensation plans between 1997 and 2001. These options typically have five year lives and are...

We provide new evidence on the relationship between option-based compensation and risktaking behavior by exploiting the change in the accounting treatment of stock options following the adoption of FAS 123R in 2005. The implementation of FAS 123R represents an exogenous change in the accounting...