Media type: E-Article Title: The quantity and quality of teachers: Dynamics of the trade-off Contributor: Gilpin, Gregory; Kaganovich, Michael Published: Elsevier BV, 2012 Published in: Journal of Public Economics, 96 (2012) 3-4, Seite 417-429 Language: English DOI: 10.1016/j.jpubeco.2011.10.003 ISSN: 0047-2727 Origination: Footnote: