This working paper illustrates—theoretically and through simulations—that the Rothstein falsification test is not definitive in indicating bias in value-added model estimates of current teacher contributions to student learning.

Empirical research bears out the conventional wisdom that teacher quality is the key schooling resource influencing student achievement, so it is not surprising that policy makers attempt to influence it by regulating admission into the teacher labor market through licensure systems. Most of...

Empirical research bears out the conventional wisdom that teacher quality is the key schooling resource influencing student achievement, so it is not surprising that policy makers attempt to influence it by regulating admission into the teacher labor market through licensure systems. Most of...