We test a theory about ambiguity surrounding the distribution of fundamental values to determine how market uncertainty affects earnings guidance perception and behavior. We find a more pronounced negative share price response to negative earnings guidance and a lower likelihood that management...

The increased government efforts to pursue insider trading charges against Galleon Group and the subsequent increase in penalties for violating insider trading laws can deter managers from leaking information and deter investors from capitalizing on leaked information before earnings guidance...

We examine an effect of Regulation Fair Disclosure (Reg FD) on voluntary public managerial guidance information quality. Results suggest that the information quality of public guidance has not deteriorated after RegFD. We also examine separately the effect of Reg FD on information efficiency...