We exploit a U.S. Supreme Court ruling on diversity of citizenship in legal disputes to estimate the contribution of the court system to firm value. In an event study, we find that an increase in state court quality from bottom to top tercile is associated with an average increase in equity...

We estimate the link between the court system and firm value by exploiting a U.S. Supreme Court ruling which changed firms' exposure to different courts. We find that exposure to courts which are highly ranked by the U.S. Chamber of Commerce increases firm value. The effect is driven by...