← Search American Economic Review Vol. 76 No. 2 1986 Vertical Product Differentiation: Some Basic Themes John Sutton Volume76 Issue2 Pages393-398 Sources bibtex:phds-export.bib Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓