“…If good teachers are to be retained in the teaching profession and supported in doing their work -and doing it well -they should have a workplace that promotes their efforts in a variety of ways (Moor Johnson, 2006). Since the 1980s, the United States and UK have passed measures to implement performance-based incentives, that is, monetary benefits to teachers and/or school principals, who are considered the best according to the level of (or the variation in) their student achievements (Holanda et al, 2008;Hanushek and Rivkin, 2006;Schäcter and Thum, 2004). However, these policy measures have proven to have contradictory effects.…”