Media type: E-Article Title: The Quantity and Quality of Teachers: A Dynamic Trade-Off Contributor: Gilpin, Gregory; Kaganovich, Michael Published: Elsevier BV, 2009 Published in: SSRN Electronic Journal (2009) Language: English DOI: 10.2139/ssrn.1327684 ISSN: 1556-5068 Keywords: Pharmacology (medical) Origination: Footnote: