To provide a fuller picture of compliance with SFAS 142, we hand-collect data to track 893 large acquisitions. Our model, which links impairments to post-acquisition performance declines and acquisition-year attributes, identifies 349 acquisitions as likely to impair. We expand compliance to...

Regulation G requires all companies to quantitatively reconcile pro forma earnings with GAAP earnings. This paper provides three findings related to the impact of reconciliations on mispricing of pro forma earnings. First, prior to Reg G, we find that mis-pricing of pro forma earnings is limited...