"The persistence of criminal activity is well documented. While such serial correlation may be evidence of social interactions in the production of crime, it may also be due to the persistence of unobserved determinants of crime. Moreover, there are good reasons to believe that, particularly...

"In this paper, we compare subjective principal assessments of teachers to the traditional determinants of teacher compensation ŁV education and experience ŁV and another potential compensation mechanism -- value-added measures of teacher effectiveness based on student achievement gains. We...