
They reported details in a study: “Shareholder Value Destruction following the Tiger Woods Scandal,” Christopher R. Knittel and Victor Stango, University of California, Davis, January 2010. The authors report:
“We estimate that in the days beginning with Tiger Woods’ recent car accident and ending with his announced ‘indefinite leave’ from golf, shareholders of companies that Mr. Woods endorses lost $5-12 billion in wealth. We measure the losses relative to both the entire stock market and a set of competitor firms.”
