Judicial scholars have often recognized that prestige seems to vary among j
udges, but they have not devoted much systematic attention to the phenomeno
n or its consequences. In this article, we develop a measure of prestige an
d calculate prestige scores for a sample of 139 federal circuit court judge
s. We then test the validity of our measure by determining how strongly the
scores correlate with other variables, some of which are expected to be re
lated to prestige, others of which should be unrelated. Finally, we incorpo
rate our measure into an analysis of judicial influence, asking whether nov
el legal rules are more likely to be adopted by other circuits if announced
by highly esteemed judges than if announced by less prestigious ones. The
evidence suggests that our measure is valid and that prestige can translate
into influence.