good morning. I am regressing the following variables here represented in a data format:
Code:
* Example generated by -dataex-. To install: ssc install dataex clear input double idfirm int Year float(log_tot_sales recalled_dummy_byfirm inflow_ratio outflow_ratio agefirm) double nprod float(newmolfirm newmolmarket) 1 2004 . . . . . . . . 1 2005 . . . . . . . . 1 2006 . . . . . . . . 1 2007 . . . . . . . . 1 2008 12.262413 0 . 0 0 4 1 0 1 2009 12.640274 0 0 0 1 4 0 0 1 2010 12.91715 0 .2 0 2 5 1 0 1 2011 13.302264 0 .2857143 0 3 7 1 0 1 2012 13.40613 0 .22222222 0 4 9 1 0 1 2013 13.318162 0 .3571429 0 5 14 1 0 1 2014 13.480266 0 .2631579 0 6 19 1 0 1 2015 13.552082 0 0 .05555556 7 18 0 0 2 2004 16.320004 0 . 0 29 6 1 0 2 2005 16.259003 0 0 0 30 6 0 0 2 2006 16.325436 0 0 0 31 6 0 0 2 2007 16.249718 0 0 0 32 6 0 0 2 2008 16.329601 0 .14285715 0 33 7 1 0 2 2009 16.372135 0 0 0 34 7 0 0 2 2010 16.204067 0 0 .16666667 35 6 0 0 2 2011 16.174494 0 0 0 36 6 0 0 2 2012 16.210453 0 0 0 37 6 0 0 2 2013 16.026436 0 0 0 38 6 0 0 2 2014 15.780373 0 0 .5 39 4 0 0 2 2015 15.507068 0 0 0 40 4 0 0 3 2004 14.717526 0 . 0 9 46 1 1 3 2005 15.29863 1 .19298245 0 10 57 1 1 3 2006 14.427028 0 0 .036363635 11 55 1 1 3 2007 13.07318 0 0 .17021276 12 47 1 0 3 2008 11.988324 0 0 .27027026 13 37 1 1 3 2009 11.322382 0 0 .12121212 14 33 1 0 3 2010 11.74948 0 .23255815 0 15 43 1 1 3 2011 10.473407 0 0 .5925926 16 27 1 1 3 2012 9.682564 0 0 .6875 17 16 1 1 3 2013 10.011105 1 .15789473 0 18 19 1 0 3 2014 9.956585 0 0 .26666668 19 15 0 0 3 2015 10.07903 0 0 .3636364 20 11 1 0 4 2004 15.943534 1 . 0 4 152 1 0 4 2005 15.92585 0 .03797468 0 5 158 1 0 4 2006 16.102678 1 .0867052 0 6 173 1 0 4 2007 16.418432 1 .19907407 0 7 216 1 0 4 2008 16.437866 1 .14624506 0 8 253 1 0 4 2009 16.442644 0 .06985294 0 9 272 1 0 4 2010 16.34378 0 .025089607 0 10 279 1 0 4 2011 16.335884 1 .014134276 0 11 283 1 0 4 2012 16.232006 0 .03082192 0 12 292 1 0 4 2013 16.496168 1 .05501618 0 13 309 1 0 4 2014 17.09195 0 .05504587 0 14 327 1 0 4 2015 17.21494 0 0 .009259259 15 324 1 0 5 2004 . . . . . . . . 5 2005 . . . . . . . . 5 2006 . . . . . . . . 5 2007 3.67482 0 . 0 0 1 1 0 5 2008 . . . . . . . . 5 2009 . . . . . . . . 5 2010 . . . . . . . . 5 2011 . . . . . . . . 5 2012 . . . . . . . . 5 2013 . . . . . . . . 5 2014 . . . . . . . . 5 2015 . . . . . . . . 6 2004 17.150093 0 . 0 29 1 1 0 6 2005 15.556746 0 0 0 30 1 0 0 6 2006 13.115322 0 0 0 31 1 0 0 6 2007 9.15078 0 0 0 32 1 0 0 6 2008 5.977219 0 0 0 33 1 0 0 6 2009 7.229989 0 0 0 34 1 0 0 6 2010 . . . . . . . . 6 2011 . . . . . . . . 6 2012 . . . . . . . . 6 2013 . . . . . . . . 6 2014 . . . . . . . . 6 2015 . . . . . . . . 7 2004 . . . . . . . . 7 2005 . . . . . . . . 7 2006 . . . . . . . . 7 2007 10.476154 0 . 0 0 1 1 0 7 2008 10.647244 0 0 0 1 1 0 0 7 2009 12.853146 0 0 0 2 1 0 0 7 2010 13.019257 0 0 0 3 1 0 0 7 2011 12.508344 0 0 0 4 1 0 0 7 2012 12.705505 0 0 0 5 1 0 0 7 2013 12.62807 0 0 0 6 1 0 0 7 2014 12.063735 0 0 0 7 1 0 0 7 2015 10.36172 0 0 0 8 1 0 0 8 2004 21.128635 0 . 0 43 133 1 0 8 2005 21.24772 1 0 .03100775 44 129 0 0 8 2006 21.192095 0 0 .19444445 45 108 0 0 8 2007 21.22827 0 0 .04854369 46 103 1 0 8 2008 21.48543 0 0 .04040404 47 99 1 1 8 2009 21.512186 0 0 .11235955 48 89 0 0 8 2010 21.50318 0 0 .08536585 49 82 0 0 8 2011 21.43127 1 .023809524 0 50 84 1 0 8 2012 21.523424 0 .10638298 0 51 94 1 0 8 2013 21.72658 0 .05050505 0 52 99 1 0 8 2014 21.581614 0 0 0 53 99 1 0 8 2015 21.58638 0 0 .05319149 54 94 1 0 9 2004 23.017605 0 . 0 41 33 1 0 9 2005 23.08483 0 0 0 42 33 0 0 9 2006 23.1325 0 0 .03125 43 32 0 0 9 2007 23.121153 0 0 0 44 32 0 0 end
The command I am using is
Code:
xtreg log_tot_sales recalled_dummy inflow_ratio outflow_ratio agefirm nprod newmolfirm newmolmarket [aweight=cem_weights], fe
0 Response to Collinearity issues
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