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홍차넷
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Warning: Use of undefined constant r - assumed 'r' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/outlogin_toby.php on line 47
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Warning: Use of undefined constant r - assumed 'r' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/outlogin_toby.php on line 51
Warning: Use of undefined constant memo - assumed 'memo' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/lib.php on line 237
Warning: Use of undefined constant is_admin - assumed 'is_admin' (this will throw an Error in a future version of PHP) in /home/redtea/html/zero_header.php on line 269
Warning: Use of undefined constant level - assumed 'level' (this will throw an Error in a future version of PHP) in /home/redtea/html/zero_header.php on line 300
Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/bbs_title.php on line 16
질문
Warning: Use of undefined constant no - assumed 'no' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/bbs_title.php on line 21
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- 질문 게시판입니다.
Warning: Use of undefined constant use_formmail - assumed 'use_formmail' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/lib.php on line 519
Warning: Use of undefined constant use_category - assumed 'use_category' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/include/print_category.php on line 9
전체기타게임진로연애가정/육아체육/스포츠교육의료/건강철학/종교IT/컴퓨터여행과학문화/예술법률홍차넷경제
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Warning: Use of undefined constant reg_date - assumed 'reg_date' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/view.php on line 405
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Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 2
Warning: Use of undefined constant HTTP_HOST - assumed 'HTTP_HOST' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/memo_replace.php on line 3
Warning: Use of undefined constant x - assumed 'x' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 10
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| Date |
Warning: Use of undefined constant reg_date - assumed 'reg_date' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 53 19/04/16 16:47:55 Warning: Use of undefined constant mod_date - assumed 'mod_date' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 56 |
| Name | 제로스 |
| Subject | 오하카 블라인더 공식이란? |
|
Oaxaca-Blinder 남녀 임금격차에 관한 논문을 보다보면 이 오하카-블라인더, 블라인더-오하카, 오하카-블렌더 (3가지 표현이 모두 발견됨) 공식을 통해 변인을 통제하고 계산하니 결과가 이렇다는 이야기가 많이 나옵니다. 그런데 막상 저 공식이 어떤 방법으로 격차를 분해하고 계산을 하는 것인지에 대한 설명은 찾아보기 힘듭니다. (일단 나름대로 검색해봤으나 저는 못찾겠...) 옛날부터 쓰이는 공인된 방법이다 이런건 알겠는데, 어떤 계산을 통해 해당 요인을 통제하여 변환된 값을 낸다는 것인지 설명은 못 찾겠더라고요. 여러가지 변수가 있는 상황에서 어떤 계산을 통해 특정 변인을 통제한 값을 변환해내는지 그 원리가 궁금합니다. Warning: Use of undefined constant no - assumed 'no' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 133 Warning: Use of undefined constant no - assumed 'no' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 146 Warning: Use of undefined constant vote - assumed 'vote' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 161 0 이 게시판에 등록된 제로스님의 최근 게시물 |
|
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Warning: Use of undefined constant grant_delete - assumed 'grant_delete' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/view.php on line 577
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Warning: Use of undefined constant is_admin - assumed 'is_admin' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/lib.php on line 605
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Warning: Use of undefined constant ismember - assumed 'ismember' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/lib.php on line 616
Warning: Use of undefined constant x - assumed 'x' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/lib.php on line 618
Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/lib.php on line 618
Warning: Use of undefined constant x - assumed 'x' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/view.php on line 612
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Warning: Use of undefined constant reg_date - assumed 'reg_date' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/view.php on line 620
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Warning: Use of undefined constant HTTP_HOST - assumed 'HTTP_HOST' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/view.php on line 640
Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/view.php on line 644
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Warning: Use of undefined constant HTTP_HOST - assumed 'HTTP_HOST' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/cmt_replace.php on line 3
Warning: Use of undefined constant ismember - assumed 'ismember' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 6
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60249 class="iamcmt" style="display:none;"> Warning: Use of undefined constant no - assumed 'no' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 66
60249 class='vcm '>
Warning: Use of undefined constant x - assumed 'x' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 70
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60249'> 하두취
Warning: Use of undefined constant mod_date - assumed 'mod_date' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 133
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19/04/16 21:15
60249>삭제 주소복사
Warning: Use of undefined constant level - assumed 'level' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 150
저도 지금 위키를 찾아보고 알았는데요, 아주 조악한 예를 들어볼게요.
우리가 A그룹과 B그룹의 사람들 사이의 연봉 차별이 있는지 알고 싶다고 해볼게요.
연봉(Y라고 부릅시다)에 영향을 미치는 것은, A/B 의 여부 뿐만 아니라 외부변수 X(e.g. 학력)에 의해서도 영향을 받겠죠.
Blinder-Oaxaca 분해에서는 일단 그룹별로 데이터를 가지고 Y = CX의 선형근사를 합니다.
여기서는 A그룹, B그룹이 있으니까 Ya = Ca Xa, Yb = Cb Xb 이렇게 두 개의 공식이 나올 거예요.
X, Y는 데이터에서 ... 더 보기
우리가 A그룹과 B그룹의 사람들 사이의 연봉 차별이 있는지 알고 싶다고 해볼게요.
연봉(Y라고 부릅시다)에 영향을 미치는 것은, A/B 의 여부 뿐만 아니라 외부변수 X(e.g. 학력)에 의해서도 영향을 받겠죠.
Blinder-Oaxaca 분해에서는 일단 그룹별로 데이터를 가지고 Y = CX의 선형근사를 합니다.
여기서는 A그룹, B그룹이 있으니까 Ya = Ca Xa, Yb = Cb Xb 이렇게 두 개의 공식이 나올 거예요.
X, Y는 데이터에서 ... 더 보기
저도 지금 위키를 찾아보고 알았는데요, 아주 조악한 예를 들어볼게요.
우리가 A그룹과 B그룹의 사람들 사이의 연봉 차별이 있는지 알고 싶다고 해볼게요.
연봉(Y라고 부릅시다)에 영향을 미치는 것은, A/B 의 여부 뿐만 아니라 외부변수 X(e.g. 학력)에 의해서도 영향을 받겠죠.
Blinder-Oaxaca 분해에서는 일단 그룹별로 데이터를 가지고 Y = CX의 선형근사를 합니다.
여기서는 A그룹, B그룹이 있으니까 Ya = Ca Xa, Yb = Cb Xb 이렇게 두 개의 공식이 나올 거예요.
X, Y는 데이터에서 나오는 거고, C는 추산된 값이구요.
이제 Ya - Yb라는 값이 무엇으로 이루어졌는지 (이 값이 바로 연봉 격차죠) 인수분해를 통해 잘 뜯어봅시다...
Ya - Yb = Ca Xa - Cb Xb
= Cb(Xa - Xb) + (Ca - Cb)Xb + (Ca - Cb)(Xa - Xb)
이렇게 세 항으로 분리를 할 수가 있는데요,
첫 항을 endowment (B그룹에 있는 사람들이 A그룹만큼 더 평균 학력이 높을 때 추가로 얻을 수 있는 소득)
두번째 항을 coefficients (B그룹 사람들이 B그룹이어서 받는 불이익?)
세번째 항을 interaction이라고 한대요 (둘 다 동시에 일어나기 때문에 생기는 차이).
이렇게 뜯어보는 방법을 three-fold Blinder-Oaxaca decomposition이라고 한다네요.
우리가 A그룹과 B그룹의 사람들 사이의 연봉 차별이 있는지 알고 싶다고 해볼게요.
연봉(Y라고 부릅시다)에 영향을 미치는 것은, A/B 의 여부 뿐만 아니라 외부변수 X(e.g. 학력)에 의해서도 영향을 받겠죠.
Blinder-Oaxaca 분해에서는 일단 그룹별로 데이터를 가지고 Y = CX의 선형근사를 합니다.
여기서는 A그룹, B그룹이 있으니까 Ya = Ca Xa, Yb = Cb Xb 이렇게 두 개의 공식이 나올 거예요.
X, Y는 데이터에서 나오는 거고, C는 추산된 값이구요.
이제 Ya - Yb라는 값이 무엇으로 이루어졌는지 (이 값이 바로 연봉 격차죠) 인수분해를 통해 잘 뜯어봅시다...
Ya - Yb = Ca Xa - Cb Xb
= Cb(Xa - Xb) + (Ca - Cb)Xb + (Ca - Cb)(Xa - Xb)
이렇게 세 항으로 분리를 할 수가 있는데요,
첫 항을 endowment (B그룹에 있는 사람들이 A그룹만큼 더 평균 학력이 높을 때 추가로 얻을 수 있는 소득)
두번째 항을 coefficients (B그룹 사람들이 B그룹이어서 받는 불이익?)
세번째 항을 interaction이라고 한대요 (둘 다 동시에 일어나기 때문에 생기는 차이).
이렇게 뜯어보는 방법을 three-fold Blinder-Oaxaca decomposition이라고 한다네요.
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