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Accounting Choices And The Legal Environment: The Impact Of The Ex Post Loss Rule, Teck Meng Junior Tan

Research Collection School Of Accountancy

Using a landmark Supreme Court decision as a natural experiment, I examine the impact of a fundamental requirement in securities litigation, the ex post loss rule, on income-decreasing accounting choices. Dura Pharmaceuticals v. Broudo (2005) established that plaintiffs must show that the alleged misrepresentations caused an actual economic loss. The case resolved a circuit split, allowing me to identify a treatment jurisdiction affected by Dura, and control jurisdictions in which the rule was already the prevailing legal standard. Motivated by legal analyses suggesting that Dura incentivizes firms to delay negative corrections, I hypothesize and find that treatment firms in high-litigation …