Media type: E-Article Title: Econometric Methods in Staples Contributor: Ashenfelter, Orley C.; Ashmore, David; Baker, Jonathan B.; Gleason, Suzanne; Hosken, Daniel S. Published: Elsevier BV, 2004 Published in: SSRN Electronic Journal (2004) Language: English DOI: 10.2139/ssrn.529144 ISSN: 1556-5068 Keywords: Pharmacology (medical) Origination: Footnote: