← Search Marketing Science 2012 Package size and competition Ram C. Rao Marketing DOI10.1287/mksc.1110.0699a Sources semanticscholar openalex 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 ✓