← Search American Economic Review Vol. 77 No. 4 1987 Spatial Competition and Vertical Integration: Cement and Concrete Revisted: Reply Mark E. McBride Volume77 Issue4 Pages754-756 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 ✓