author = { Loeb, Susanna National Bureau of Economic Research Kalogrides, Demetra AND Béteille, Tara },

title = { Effective Schools Teacher Hiring, Assignment, Development, and Retention },

publisher = {National Bureau of Economic Research},

year = {June 2011},

booktitle = {NBER working paper series ; no. w17177},

address = { Cambridge, Mass },

url = { http://slubdd.de/katalog?TN_libero_mab2 }