Clotfelter, Charles T.; Glennie, Elizabeth J.; Ladd, … - In: Public Finance Review 36 (2008) 1, pp. 63-87
Between 2001 and 2004, the state of North Carolina gave an annual salary bonus of $1,800 to certified math, science, and special education teachers in a set of low-performing and/or high-poverty secondary schools. Eligible teachers were to continue receiving the bonus as long as they continued...