老师您好,学生想请教一下如何用stata选取对Y影响最大的X组合(目前理解是做交乘检验)。
现有唯一Y,表示绩效;三个X:X1(环境保护) X2(员工福利) X3(透明度) ,分别指代ESG的一个部分,且X1+X2+X3=1,此外存在一系列控制变量。
X的所有可能如下:X1;X2;X3;X1&X2;X1&X3;X2&X3;X1&X2&X3;
想要判断哪一种X的可能对Y的影响最大——是单一X如X1或X2..,还是某种组合如X1&X2&X3。
目前的理解是通过交乘来判断他们的协同效应,不知道理解是否正确以及是否有更好的方法,
想请教一下老师,还望老师百忙之余可以指点一二,学生不胜感激。
[CODE]
* Example generated by -dataex-. For more info, type help dataex
clear
input double id float year double Y float(X1 X2 X3 Size Lev ROA Board FirmAge)
1 2015 7.623916839544428 .028556867 .57789284 .3512466 25.966436 .7770152 .046351 2.397895 3.3322046
1 2016 7.47614107454407 .8689333 .1044719 .018825937 26.06271 .8053671 .039322 2.397895 3.367296
1 2017 7.594386915679586 .3508549 .50866055 .05131464 26.105297 .8398126 .037283 2.397895 3.4011974
1 2018 7.546782610266893 .07110509 .6080864 .2986887 26.24965 .8458564 .03658 2.397895 3.433987
1 2019 7.5702769815592985 .32336795 .065558255 .3798929 26.395113 .8435895 .033839 2.3025851 3.465736
1 2020 7.5279853141538755 .5551032 .3063141 .11092653 26.37249 .812835 .032952 2.397895 3.496508
2 2015 4.573983546741958 .875991 .10819737 .007587015 19.803654 .5904017 .018609 2.1972246 3.4011974
2 2016 5.545285407303004 .20470947 .4212139 .0534735 19.735046 .2034563 .127625 2.1972246 3.433987
2 2017 4.853521897924347 .8927587 .089034 .015191195 19.88527 .3152466 .023925 2.1972246 3.465736
2 2018 6.377935030571934 .5844658 .3881028 .00941239 19.981983 .47796595 -.069716 2.1972246 3.496508
2 2019 5.154418280033971 .3697791 .1102818 .3071211 21.12505 .06024343 -.003905 2.1972246 3.5263605
2 2020 6.081767366345716 .8506309 .0826933 .02197168 21.17023 .06826371 .040542 2.0794415 3.555348
3 2015 3.822700495023693 .3913819 .3253765 .1981642 21.508997 .44704 -.030349 2.70805 3.2580965
3 2016 5.504491566078578 .11966132 .6838289 .1600173 21.65039 .4637085 .049547 2.70805 3.295837
3 2017 5.587733317530361 .7542434 .031671803 .07342521 21.79214 .51774734 .008433 2.70805 3.3322046
3 2018 5.525265228899969 .6950234 .08463664 .02378969 21.861555 .4940399 .051959 2.6390574 3.367296
3 2019 5.66333261849476 .6866152 .13293833 .17452316 21.832436 .4253374 .058018 2.484907 3.4011974
3 2020 5.397171212511674 .9319346 .009250126 .00756084 21.62683 .4600894 -.140648 2.6390574 3.433987
4 2015 8.51882192519515 .4548882 .1812837 .27572843 23.265144 .6461508 .035883 2.0794415 3.295837
4 2016 8.310805651449092 .0674011 .4360387 .1241549 23.301237 .6104992 .062138 2.0794415 3.3322046
4 2017 8.192655074869434 .3379889 .341656 .29694155 23.29892 .5656477 .06237 1.94591 3.367296
4 2018 7.902462878196624 .9748848 .0016812875 .016681263 23.32867 .52823627 .069209 1.94591 3.4011974
4 2019 8.078179187664016 .7264384 .019777514 .04559778 23.47981 .5446121 .057582 1.94591 3.433987
4 2020 7.447510274055697 .04541512 .650785 .136908 23.45989 .4921853 .057915 2.1972246 3.465736
5 2015 5.126171325443629 .7459667 .022367515 .04508375 22.00124 .18980925 .089088 1.94591 3.295837
5 2016 5.896510386200022 .4961259 .066868216 .311836 22.826504 .2465831 .09006 1.94591 3.3322046
5 2017 5.921449183193108 .7167162 .2477548 .0087156715 23.09148 .3269488 .094283 1.94591 3.367296
5 2018 5.910209034156259 .859742 .034627963 .08104414 23.07143 .29250968 .032338 2.1972246 3.4011974
5 2019 6.025577926233123 .13407555 .03745556 .3026858 23.21188 .3709616 .04064 2.1972246 3.433987
5 2020 5.540187356838232 .48844185 .19257283 .0863466 23.27492 .4801671 -.071722 2.1972246 3.465736
6 2015 5.450146946254849 .8712187 .09887647 .02963959 23.61995 .6382021 .058826 1.94591 3.2580965
6 2016 5.604076522899025 .7664683 .1763483 .03917802 23.79702 .623791 .021113 2.1972246 3.295837
6 2017 5.539565539116653 .25125554 .33515215 .2079405 24.02315 .6331205 .013266 2.1972246 3.3322046
6 2018 5.921931086353487 .16636477 .3407154 .3403029 24.119444 .6498956 .023352 2.1972246 3.367296
6 2019 5.919738084148523 .7437958 .076291 .15537325 24.13143 .6455591 .023705 2.0794415 3.4011974
6 2020 5.800313754733287 .9805113 .013240962 .0002528038 24.18451 .5842173 .034406 2.1972246 3.433987
7 2015 6.15232176938607 .7295772 .19264987 .01432748 22.364626 .5795767 .006696 2.3025851 3.3322046
7 2016 6.171996251857244 .9011049 .05599702 .018012065 22.30292 .54472095 .007765 2.397895 3.367296
7 2017 5.89561771165271 .26436493 .13081981 .391648 21.85633 .6201161 -.148615 2.397895 3.4011974
7 2018 5.025772065218282 .8856509 .013035676 .09222705 21.90906 .8195049 -.227803 2.3025851 3.433987
7 2020 7.06855806488855 .882112 .070212536 .03246326 21.98788 .7695267 .019495 2.397895 3.496508
8 2015 5.412170092663459 .748933 .15695716 .08064113 22.20026 .5203465 .037957 2.1972246 3.433987
8 2016 6.1127298181319905 .9196262 .05102922 .0018839724 22.61854 .6376364 .06432 2.1972246 3.465736
8 2017 6.4817154137171915 .6934533 .3048476 .0014256744 22.40843 .4581168 .103416 2.0794415 3.496508
8 2018 6.383252554875219 .2154026 .58826584 .1218866 22.4846 .4259307 .105705 2.1972246 3.5263605
8 2019 6.260704224959891 .8285888 .02977049 .05724771 23.10026 .6967677 .083405 2.1972246 3.555348
8 2020 6.214158359766706 .04421536 .58376503 .364072 23.225306 .6902588 .06365 2.1972246 3.555348
9 2015 5.296136238922736 .8630378 .07881102 .0210954 23.474195 .5116955 .035597 1.609438 3.433987
9 2016 5.411560491696658 .3526046 .2381225 .12843986 23.56508 .5259067 .049284 1.94591 3.465736
9 2017 5.580792724946303 .7720399 .0685076 .10174203 23.695475 .55056965 .04518 2.1972246 3.496508
9 2018 5.65067714215024 .5861199 .003119838 .0768096 23.6737 .5056337 .024436 2.0794415 3.5263605
9 2019 5.6559901565315815 .3227766 .4538324 .11289013 23.624756 .45795685 .030037 2.0794415 3.555348
9 2020 5.69170031801095 .17293066 .3507937 .25129756 23.60711 .4063672 .045003 2.1972246 3.555348
10 2015 6.043375502978728 .8053644 .18563606 .007067689 21.49823 .6438923 .024238 2.1972246 3.178054
10 2016 6.517989997076722 .3060019 .06020279 .29898265 21.35124 .5759523 .014397 2.1972246 3.218876
10 2017 6.37644513167531 .21909967 .6988783 .01886376 21.14741 .4764368 .00646 2.1972246 3.2580965
10 2018 6.08472055759385 .724731 .16214134 .09024 21.374157 .50436556 .089694 2.1972246 3.295837
10 2019 6.297574099652692 .6964867 .12158234 .030007614 21.4025 .5153418 .016522 2.1972246 3.3322046
10 2020 5.883286711582512 .9119344 .05860677 .02748344 21.612675 .6080958 .004146 2.1972246 3.367296
11 2015 6.512910654836613 .6795634 .13453166 .07434924 23.38005 .7841845 -.082234 1.609438 3.433987
11 2016 6.673907483537515 .3549416 .4819911 .1611429 23.57068 .8075465 .005854 1.94591 3.465736
11 2017 7.091682855381309 .73897 .1876843 .068122394 23.882763 .6520106 .214149 1.94591 3.496508
11 2018 7.325149517065723 .18740167 .6878358 .08284707 24.21932 .7134652 .02365 1.94591 3.5263605
11 2019 7.477206127411649 .3146128 .5420256 .005276253 24.474813 .7669076 .008864 1.94591 3.555348
11 2020 7.367152250330217 .1375693 .163881 .233071 24.63281 .7850502 .011682 1.94591 3.555348
12 2015 6.228083223346813 .6537739 .13397577 .16607092 19.7158 .7080773 -.002176 2.0794415 3.178054
12 2016 5.598789621658481 .27013195 .17422925 .009448593 19.735046 .6804888 .077865 2.0794415 3.218876
12 2017 5.558896577115715 .8998394 .034525372 .014953044 19.88527 .7435973 .024742 2.1972246 3.2580965
12 2018 5.4870695124260696 .5734232 .3325457 .05437315 19.981983 .7681625 -.025619 2.1972246 3.295837
12 2019 5.101851583269213 .11147037 .6650108 .16839007 20.01279 .8176163 -.11493 2.1972246 3.3322046
12 2020 5.555227136117162 .4145227 .1348813 .386164 19.814587 .720498 .056652 2.1972246 3.367296
13 2015 4.3154456117141535 .003052204 .16719136 .7735609 20.78197 .09743024 -.038789 2.1972246 3.178054
13 2016 4.164729844649814 .6659978 .306631 .008880503 20.887545 .1092918 .080523 2.1972246 3.218876
13 2017 4.374278429773781 .3462876 .20520006 .07345337 20.791285 .1001815 -.054473 2.1972246 3.2580965
13 2018 7.347032799031039 .0780235 .8315436 .08665288 22.59028 .3294742 .051835 2.1972246 3.295837
13 2019 7.355858507573662 .12758136 .067529716 .48362625 22.636515 .3175805 .058066 2.1972246 3.3322046
13 2020 7.354270419027595 .2297006 .4884763 .27431187 22.712425 .3439604 .057336 2.1972246 3.367296
14 2015 5.083926370245661 .3295547 .54623157 .029361984 20.86736 .7281904 -.003625 1.94591 3.178054
14 2016 5.336534707957803 .4144089 .51467144 .04797563 20.26515 .4945282 .006107 1.7917595 3.218876
14 2017 5.632322541922864 .036084738 .02505555 .13698933 20.26085 .4908035 .001544 1.7917595 3.2580965
14 2018 5.071819189270161 .08438109 .16474733 .22273865 20.240526 .475007 .005285 1.7917595 3.295837
14 2019 5.18750727090279 .009876247 .5721822 .3435295 20.235773 .4636154 .008869 1.7917595 3.3322046
14 2020 5.099649386909306 .3200437 .2775184 .12934065 20.2577 .4643841 .010999 1.7917595 3.367296
end


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