In this article, I use a unique dataset consisting of listed Indian firms that have been indicted for economic malpractice/default or have been non-compliant with laws/ regulations/ guidelines to estimate the stock price impact of regulatory actions against corporate irregularities. The sample...

The single-firm event studies that securities litigants use to detect the impact of a corrective disclosure on a firm's stock price have low statistical power. As a result, observed price impacts are biased against defendants and systematically overestimate the effect on firm value. We use the...

This paper examines how well the market anticipates regulatory sanction. We look at key dates of SEC, NASD, FTC, Congressional and foreign investigations and their subsequent resolution. Our event study confirms that the settlements provide little new information to the market. In six major case...