| Views | |
| Yts, Employment, and Sample Selection Bias | 332 |
| May 2012 | June 2012 | July 2012 | August 2012 | September 2012 | October 2012 | November 2012 | December 2012 | January 2013 | February 2013 | March 2013 | April 2013 | |
| Yts, Employment, and Sample Selection Bias | 18 | 14 | 7 | 8 | 5 | 13 | 19 | 16 | 24 | 15 | 4 | 1 |
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