![](https://www.pdfsearch.io/img/6bbb921f26bec5421ae893c41b4e797e.jpg) Date: 2014-01-01 20:44:39
| | Testing Substitutability John William Hatfield Graduate School of Business, Stanford University Nicole Immorlica McCormick School of Engineering and Kellogg Graduate School of Management,Add to Reading ListSource URL: www.immorlica.comDownload Document from Source Website File Size: 174,66 KBShare Document on Facebook
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