To study the determinants of judicial productivity and speed (measured by published opinions), I examine all 348 trial-court civil medical malpractice opinions published in Japan between 1995 and 2004. For comparative purposes, I add 120 randomly selected civil judgments from the same period....

In the Grutter case, Justice O'Connor suggested that universities could justifiably try to enroll a "critical mass" of minority students. Enroll fewer than that "critical mass," reason some observers, and minority students will feel too marginalized to perform at their highest levels. In this...