Tarefa paper_repro.angrist_krueger_1991.tab5_c2.tool

Veredito

Pergunta feita ao analista

Tarefa de ferramenta: nenhuma pergunta; a especificação de referência é chamada direto.

Como o agente resolveu e como foi validado

Resumo passo a passo do que o agente executou, por que o caminho está correto e como cada verificação conferiu o resultado.

1. 1Preparação da base de dados
   asciiqob— Joshua Angrist's minimal extract of the 1980 Census used by Angrist and Krueger (1991), 'Does Compulsory School Attendance Affect Schooling and Earnings?' (asciiqob.txt in asciiqob.zip): one row per man born in the United States in 1930-1939, from the 5 percent public-use sample of the 1980 Census (329,509 rows). Columns: lwklywge, the log of weekly earnings in 1979; educ, years of education; yob, year of birth (30 for 1930 to 39 for 1939); qob, quarter of birth (1 to 4); pob, state of birth (census code). Added by the declared transforms: yob_30 to yob_39, one indicator per year of birth; qtr_1 to qtr_4, one indicator per quarter of birth; and qtr1_yob30 to qtr3_yob39, thirty columns, each the product of the indicator for quarter of birth 1, 2 or 3 and the indicator for one year of birth (qtr2_yob35 is 1 for men born in the second quarter of 1935).
   Transformação "dummies" aplicada à base "asciiqob" (329509 → 329509 linhas). {"column":"yob","drop_first":false,"prefix":"yob"}
   Transformação "dummies" aplicada à base "asciiqob" (329509 → 329509 linhas). {"column":"qob","drop_first":false,"prefix":"qtr"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_1","yob_30"]},"name":"qtr1_yob30","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_1","yob_31"]},"name":"qtr1_yob31","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_1","yob_32"]},"name":"qtr1_yob32","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_1","yob_33"]},"name":"qtr1_yob33","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_1","yob_34"]},"name":"qtr1_yob34","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_1","yob_35"]},"name":"qtr1_yob35","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_1","yob_36"]},"name":"qtr1_yob36","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_1","yob_37"]},"name":"qtr1_yob37","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_1","yob_38"]},"name":"qtr1_yob38","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_1","yob_39"]},"name":"qtr1_yob39","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_2","yob_30"]},"name":"qtr2_yob30","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_2","yob_31"]},"name":"qtr2_yob31","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_2","yob_32"]},"name":"qtr2_yob32","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_2","yob_33"]},"name":"qtr2_yob33","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_2","yob_34"]},"name":"qtr2_yob34","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_2","yob_35"]},"name":"qtr2_yob35","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_2","yob_36"]},"name":"qtr2_yob36","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_2","yob_37"]},"name":"qtr2_yob37","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_2","yob_38"]},"name":"qtr2_yob38","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_2","yob_39"]},"name":"qtr2_yob39","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_3","yob_30"]},"name":"qtr3_yob30","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_3","yob_31"]},"name":"qtr3_yob31","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_3","yob_32"]},"name":"qtr3_yob32","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_3","yob_33"]},"name":"qtr3_yob33","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_3","yob_34"]},"name":"qtr3_yob34","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_3","yob_35"]},"name":"qtr3_yob35","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_3","yob_36"]},"name":"qtr3_yob36","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_3","yob_37"]},"name":"qtr3_yob37","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_3","yob_38"]},"name":"qtr3_yob38","op":"interaction"}
   Transformação "derive" aplicada à base "asciiqob" (329509 → 329509 linhas). {"args":{"columns":["qtr_3","yob_39"]},"name":"qtr3_yob39","op":"interaction"}
2. 2Chamada que gerou a resposta finalinfer.iv_2sls(Variáveis instrumentais por mínimos quadrados em dois estágios (MQ2E))citada na respostacoincide com a referência

   Ver chamada call_263bb148 nos detalhes
   Argumentos principais

   dataset:

   "asciiqob"

   endog:

   ["educ"]

   exog:

   ["yob_30","yob_31","yob_32","yob_33","yob_34","yob_35","yob_36","yob_37","yob_38"]

   instruments:

   ["qtr1_yob30","qtr1_yob31","qtr1_yob32","qtr1_yob33","qtr1_yob34","qtr1_yob35","qtr1_yob36","qtr1_yob37","qtr1_yob38","qtr1_yob39","qtr2_yob30","qtr2_yob31","qtr2_yob32","qtr2_yob33","qtr2_yob34","qtr2_yob35","qtr2_yob36","qtr2_yob37","qtr2_yob38","qtr2_yob39","qtr3_yob30","qtr3_yob31","qtr3_yob32","qtr3_yob33","qtr3_yob34","qtr3_yob35","qtr3_yob36","qtr3_yob37","qtr3_yob38","qtr3_yob39"]

   level:

   0,950.95

   se:

   "classical"

   y:

   "lwklywge"

   Resultado calculado

   • coef.educ = 0,0891155 0.08911545635097498
     2SLS effect of educ on lwklywge
   Diagnósticos: first_stage_F.educ = 4,907074.907068900445309 (Wald F of the excluded instruments in the first stage for educ (classical (homoskedastic) standard errors); below 10: weak instrument, the estimate and its interval are unreliable) · partial_r2.educ = 0,0004466170.0004466165850589565 (share of the variation the instruments explain beyond the controls) · weak_instrument = true (at least one first-stage F is below 10) · overid_p = 0,6552610.6552608024512252 (Sargan test of the overidentifying restrictions (assumes homoskedastic errors)) · sargan = 25,439425.439387654762992 (n·R² of the structural residuals on the instruments) · sargan_df = 2929 · n_obs = 329.509329509 · se_type = "classical" (classical (homoskedastic) standard errors)
3. 3Conferência de lastro e resposta final
   • ✓
     #0figura próximacoef.educ

     software reference
   • ✓
     #1figura próximacoef.educ

     software reference, SE
   • ✓
     #2figura próximacoef.educ

     published cell
   • ✓
     #3figura próximacoef.educ

     published cell, SE

Valores esperados e de onde vêm

Verificações

Caminho de referência e caminho do agente

A chamada de referência ao lado da chamada que deu a resposta, argumento por argumento.

Trajetória

Cada evento na ordem em que aconteceu: turnos do modelo, chamadas de ferramentas, guardas, transformações e pontuação.

1. 0Início

   Tarefa de ferramenta: nenhuma pergunta; a especificação de referência é chamada direto.

   asciiqob (agent)

   Joshua Angrist's minimal extract of the 1980 Census used by Angrist and Krueger (1991), 'Does Compulsory School Attendance Affect Schooling and Earnings?' (asciiqob.txt in asciiqob.zip): one row per man born in the United States in 1930-1939, from the 5 percent public-use sample of the 1980 Census (329,509 rows). Columns: lwklywge, the log of weekly earnings in 1979; educ, years of education; yob, year of birth (30 for 1930 to 39 for 1939); qob, quarter of birth (1 to 4); pob, state of birth (census code). Added by the declared transforms: yob_30 to yob_39, one indicator per year of birth; qtr_1 to qtr_4, one indicator per quarter of birth; and qtr1_yob30 to qtr3_yob39, thirty columns, each the product of the indicator for quarter of birth 1, 2 or 3 and the indicator for one year of birth (qtr2_yob35 is 1 for men born in the second quarter of 1935).

   file 0b6c505e52fd6c9f6194c356c91688acf2f8937b5023a84e754e942c9a2f2dcc · frame —

   1. dummies {"column":"yob","drop_first":false,"prefix":"yob"}
   2. dummies {"column":"qob","drop_first":false,"prefix":"qtr"}
   3. derive {"args":{"columns":["qtr_1","yob_30"]},"name":"qtr1_yob30","op":"interaction"}
   4. derive {"args":{"columns":["qtr_1","yob_31"]},"name":"qtr1_yob31","op":"interaction"}
   5. derive {"args":{"columns":["qtr_1","yob_32"]},"name":"qtr1_yob32","op":"interaction"}
   6. derive {"args":{"columns":["qtr_1","yob_33"]},"name":"qtr1_yob33","op":"interaction"}
   7. derive {"args":{"columns":["qtr_1","yob_34"]},"name":"qtr1_yob34","op":"interaction"}
   8. derive {"args":{"columns":["qtr_1","yob_35"]},"name":"qtr1_yob35","op":"interaction"}
   9. derive {"args":{"columns":["qtr_1","yob_36"]},"name":"qtr1_yob36","op":"interaction"}
   10. derive {"args":{"columns":["qtr_1","yob_37"]},"name":"qtr1_yob37","op":"interaction"}
   11. derive {"args":{"columns":["qtr_1","yob_38"]},"name":"qtr1_yob38","op":"interaction"}
   12. derive {"args":{"columns":["qtr_1","yob_39"]},"name":"qtr1_yob39","op":"interaction"}
   13. derive {"args":{"columns":["qtr_2","yob_30"]},"name":"qtr2_yob30","op":"interaction"}
   14. derive {"args":{"columns":["qtr_2","yob_31"]},"name":"qtr2_yob31","op":"interaction"}
   15. derive {"args":{"columns":["qtr_2","yob_32"]},"name":"qtr2_yob32","op":"interaction"}
   16. derive {"args":{"columns":["qtr_2","yob_33"]},"name":"qtr2_yob33","op":"interaction"}
   17. derive {"args":{"columns":["qtr_2","yob_34"]},"name":"qtr2_yob34","op":"interaction"}
   18. derive {"args":{"columns":["qtr_2","yob_35"]},"name":"qtr2_yob35","op":"interaction"}
   19. derive {"args":{"columns":["qtr_2","yob_36"]},"name":"qtr2_yob36","op":"interaction"}
   20. derive {"args":{"columns":["qtr_2","yob_37"]},"name":"qtr2_yob37","op":"interaction"}
   21. derive {"args":{"columns":["qtr_2","yob_38"]},"name":"qtr2_yob38","op":"interaction"}
   22. derive {"args":{"columns":["qtr_2","yob_39"]},"name":"qtr2_yob39","op":"interaction"}
   23. derive {"args":{"columns":["qtr_3","yob_30"]},"name":"qtr3_yob30","op":"interaction"}
   24. derive {"args":{"columns":["qtr_3","yob_31"]},"name":"qtr3_yob31","op":"interaction"}
   25. derive {"args":{"columns":["qtr_3","yob_32"]},"name":"qtr3_yob32","op":"interaction"}
   26. derive {"args":{"columns":["qtr_3","yob_33"]},"name":"qtr3_yob33","op":"interaction"}
   27. derive {"args":{"columns":["qtr_3","yob_34"]},"name":"qtr3_yob34","op":"interaction"}
   28. derive {"args":{"columns":["qtr_3","yob_35"]},"name":"qtr3_yob35","op":"interaction"}
   29. derive {"args":{"columns":["qtr_3","yob_36"]},"name":"qtr3_yob36","op":"interaction"}
   30. derive {"args":{"columns":["qtr_3","yob_37"]},"name":"qtr3_yob37","op":"interaction"}
   31. derive {"args":{"columns":["qtr_3","yob_38"]},"name":"qtr3_yob38","op":"interaction"}
   32. derive {"args":{"columns":["qtr_3","yob_39"]},"name":"qtr3_yob39","op":"interaction"}
2. 1Transformação
   asciiqob · dummies {"column":"yob","drop_first":false,"prefix":"yob"}

   329509 → 329509 linhas

   Frame antes → depois: 845a36d4dcec → d4b277b4997b
3. 2Transformação
   asciiqob · dummies {"column":"qob","drop_first":false,"prefix":"qtr"}

   329509 → 329509 linhas

   Frame antes → depois: d4b277b4997b → 2c53c053bf00
4. 3Transformação
   asciiqob · derive {"args":{"columns":["qtr_1","yob_30"]},"name":"qtr1_yob30","op":"interaction"}

   329509 → 329509 linhas

   Frame antes → depois: 2c53c053bf00 → cf52bf944241
5. 4Transformação
   asciiqob · derive {"args":{"columns":["qtr_1","yob_31"]},"name":"qtr1_yob31","op":"interaction"}

   329509 → 329509 linhas

   Frame antes → depois: cf52bf944241 → c572825a7957
6. 5Transformação
   asciiqob · derive {"args":{"columns":["qtr_1","yob_32"]},"name":"qtr1_yob32","op":"interaction"}

   329509 → 329509 linhas

   Frame antes → depois: c572825a7957 → f423f0515e53
7. 6Transformação
   asciiqob · derive {"args":{"columns":["qtr_1","yob_33"]},"name":"qtr1_yob33","op":"interaction"}

   329509 → 329509 linhas

   Frame antes → depois: f423f0515e53 → 53a56d68c9d1
8. 7Transformação
   asciiqob · derive {"args":{"columns":["qtr_1","yob_34"]},"name":"qtr1_yob34","op":"interaction"}

   329509 → 329509 linhas

   Frame antes → depois: 53a56d68c9d1 → 4a3cff9083bb
9. 8Transformação
   asciiqob · derive {"args":{"columns":["qtr_1","yob_35"]},"name":"qtr1_yob35","op":"interaction"}

   329509 → 329509 linhas

   Frame antes → depois: 4a3cff9083bb → 373b8fd4038e
10. 9Transformação
    asciiqob · derive {"args":{"columns":["qtr_1","yob_36"]},"name":"qtr1_yob36","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 373b8fd4038e → e7e4772d7f72
11. 10Transformação
    asciiqob · derive {"args":{"columns":["qtr_1","yob_37"]},"name":"qtr1_yob37","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: e7e4772d7f72 → 493704cb4202
12. 11Transformação
    asciiqob · derive {"args":{"columns":["qtr_1","yob_38"]},"name":"qtr1_yob38","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 493704cb4202 → 459fa0f19579
13. 12Transformação
    asciiqob · derive {"args":{"columns":["qtr_1","yob_39"]},"name":"qtr1_yob39","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 459fa0f19579 → 85c2fdc43e1d
14. 13Transformação
    asciiqob · derive {"args":{"columns":["qtr_2","yob_30"]},"name":"qtr2_yob30","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 85c2fdc43e1d → 221b8d8c4186
15. 14Transformação
    asciiqob · derive {"args":{"columns":["qtr_2","yob_31"]},"name":"qtr2_yob31","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 221b8d8c4186 → 318603958de3
16. 15Transformação
    asciiqob · derive {"args":{"columns":["qtr_2","yob_32"]},"name":"qtr2_yob32","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 318603958de3 → 069525d0a1fe
17. 16Transformação
    asciiqob · derive {"args":{"columns":["qtr_2","yob_33"]},"name":"qtr2_yob33","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 069525d0a1fe → 64ef72351a15
18. 17Transformação
    asciiqob · derive {"args":{"columns":["qtr_2","yob_34"]},"name":"qtr2_yob34","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 64ef72351a15 → 0c272ae20586
19. 18Transformação
    asciiqob · derive {"args":{"columns":["qtr_2","yob_35"]},"name":"qtr2_yob35","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 0c272ae20586 → 7856b1936015
20. 19Transformação
    asciiqob · derive {"args":{"columns":["qtr_2","yob_36"]},"name":"qtr2_yob36","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 7856b1936015 → 06252be82053
21. 20Transformação
    asciiqob · derive {"args":{"columns":["qtr_2","yob_37"]},"name":"qtr2_yob37","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 06252be82053 → 4a442f63e865
22. 21Transformação
    asciiqob · derive {"args":{"columns":["qtr_2","yob_38"]},"name":"qtr2_yob38","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 4a442f63e865 → 1a895d8e4ad2
23. 22Transformação
    asciiqob · derive {"args":{"columns":["qtr_2","yob_39"]},"name":"qtr2_yob39","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 1a895d8e4ad2 → 7fd62953f64c
24. 23Transformação
    asciiqob · derive {"args":{"columns":["qtr_3","yob_30"]},"name":"qtr3_yob30","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 7fd62953f64c → fbb95e831358
25. 24Transformação
    asciiqob · derive {"args":{"columns":["qtr_3","yob_31"]},"name":"qtr3_yob31","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: fbb95e831358 → 3c39c77165ba
26. 25Transformação
    asciiqob · derive {"args":{"columns":["qtr_3","yob_32"]},"name":"qtr3_yob32","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 3c39c77165ba → 7e4ccc705689
27. 26Transformação
    asciiqob · derive {"args":{"columns":["qtr_3","yob_33"]},"name":"qtr3_yob33","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 7e4ccc705689 → e14e138d365d
28. 27Transformação
    asciiqob · derive {"args":{"columns":["qtr_3","yob_34"]},"name":"qtr3_yob34","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: e14e138d365d → efea1aed1a08
29. 28Transformação
    asciiqob · derive {"args":{"columns":["qtr_3","yob_35"]},"name":"qtr3_yob35","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: efea1aed1a08 → 889c869c49df
30. 29Transformação
    asciiqob · derive {"args":{"columns":["qtr_3","yob_36"]},"name":"qtr3_yob36","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 889c869c49df → 4690bc1fd2a9
31. 30Transformação
    asciiqob · derive {"args":{"columns":["qtr_3","yob_37"]},"name":"qtr3_yob37","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 4690bc1fd2a9 → 73cf0a1d91c6
32. 31Transformação
    asciiqob · derive {"args":{"columns":["qtr_3","yob_38"]},"name":"qtr3_yob38","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: 73cf0a1d91c6 → adbbeec74207
33. 32Transformação
    asciiqob · derive {"args":{"columns":["qtr_3","yob_39"]},"name":"qtr3_yob39","op":"interaction"}

    329509 → 329509 linhas

    Frame antes → depois: adbbeec74207 → 654074d5953a
34. 33Ferramenta
    infer.iv_2sls— Variáveis instrumentais por mínimos quadrados em dois estágios (MQ2E)v0.1.0call_263bb148decidido pelo códigoreexecutável

    Argumentos

    {
      "cluster": null,
      "dataset": "asciiqob",
      "endog": [
        "educ"
      ],
      "exog": [
        "yob_30",
        "yob_31",
        "yob_32",
        "yob_33",
        "yob_34",
        "yob_35",
        "yob_36",
        "yob_37",
        "yob_38"
      ],
      "instruments": [
        "qtr1_yob30",
        "qtr1_yob31",
        "qtr1_yob32",
        "qtr1_yob33",
        "qtr1_yob34",
        "qtr1_yob35",
        "qtr1_yob36",
        "qtr1_yob37",
        "qtr1_yob38",
        "qtr1_yob39",
        "qtr2_yob30",
        "qtr2_yob31",
        "qtr2_yob32",
        "qtr2_yob33",
        "qtr2_yob34",
        "qtr2_yob35",
        "qtr2_yob36",
        "qtr2_yob37",
        "qtr2_yob38",
        "qtr2_yob39",
        "qtr3_yob30",
        "qtr3_yob31",
        "qtr3_yob32",
        "qtr3_yob33",
        "qtr3_yob34",
        "qtr3_yob35",
        "qtr3_yob36",
        "qtr3_yob37",
        "qtr3_yob38",
        "qtr3_yob39"
      ],
      "level": 0.95,
      "se": "classical",
      "subset": null,
      "y": "lwklywge"
    }

    Figuras call_263bb148

    Chave	Valor	Valor bruto	Erro-padrão	IC
    coef.educ 2SLS effect of educ on lwklywge	0,0891155	0.08911545635097498	0,01611010.01611008909296629	0,0575401 – 0,120691

    Diagnósticos

    • first_stage_F.educ = 4,907074.907068900445309 (Wald F of the excluded instruments in the first stage for educ (classical (homoskedastic) standard errors); below 10: weak instrument, the estimate and its interval are unreliable)
    • partial_r2.educ = 0,0004466170.0004466165850589565 (share of the variation the instruments explain beyond the controls)
    • weak_instrument = true (at least one first-stage F is below 10)
    • overid_p = 0,6552610.6552608024512252 (Sargan test of the overidentifying restrictions (assumes homoskedastic errors))
    • sargan = 25,439425.439387654762992 (n·R² of the structural residuals on the instruments)
    • sargan_df = 2929
    • n_obs = 329.509329509
    • se_type = "classical" (classical (homoskedastic) standard errors)
    • n_clusters = — (errors not clustered)

    Derivação matemática e pressupostos

    coef.educ

    1. Coeficiente de educ por mínimos quadrados em dois estágios: lwklywge sobre as projeções dos regressores endógenos nos instrumentos ['qtr1_yob30', 'qtr1_yob31', 'qtr1_yob32', 'qtr1_yob33', 'qtr1_yob34', 'qtr1_yob35', 'qtr1_yob36', 'qtr1_yob37', 'qtr1_yob38', 'qtr1_yob39', 'qtr2_yob30', 'qtr2_yob31', 'qtr2_yob32', 'qtr2_yob33', 'qtr2_yob34', 'qtr2_yob35', 'qtr2_yob36', 'qtr2_yob37', 'qtr2_yob38', 'qtr2_yob39', 'qtr3_yob30', 'qtr3_yob31', 'qtr3_yob32', 'qtr3_yob33', 'qtr3_yob34', 'qtr3_yob35', 'qtr3_yob36', 'qtr3_yob37', 'qtr3_yob38', 'qtr3_yob39'] e os controles; resíduos com os valores observados de educ.→ 0,0891155 (0.08911545635097498)
    2. Erro-padrão clássico (homocedástico): a raiz da variância estimada do coeficiente.ep = √V_jj→ 0,0161101 (0.01611008909296629)
    3. Intervalo de 95% de confiança: a estimativa mais ou menos o valor crítico da distribuição t de Student com 329498 graus de liberdade vezes o erro-padrão.IC = β ± c · ep

    Pressupostos do estimador

    • the instruments affect the outcome only through the endogenous regressors (exclusion restriction)
    • the instruments are as good as randomly assigned given the controls
    • errors are independent and have the same variance for every observation

    Tabelas (3)

    {
      "coefficients": [
        {
          "ci_high": 5.145673344398731,
          "ci_low": 4.322726441555527,
          "coef": 4.734199892977129,
          "p": 1.6197733596808568e-112,
          "se": 0.2099385209000278,
          "t": 22.550410818753665,
          "term": "Intercept"
        },
        {
          "ci_high": 0.0790234823803597,
          "ci_low": 0.03803067580515462,
          "coef": 0.05852707909275716,
          "p": 2.186943635875741e-8,
          "se": 0.010457502361582108,
          "t": 5.5966594191524175,
          "term": "yob_30"
        },
        {
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          "coef": 0.049645775668337784,
          "p": 8.402007890648315e-9,
          "se": 0.008618552788994342,
          "t": 5.760337829772777,
          "term": "yob_31"
        },
        {
          "ci_high": 0.05632558371941518,
          "ci_low": 0.0246679027865398,
          "coef": 0.04049674325297749,
          "p": 5.322127727975817e-7,
          "se": 0.008076057747117086,
          "t": 5.014419723216272,
          "term": "yob_32"
        },
        {
          "ci_high": 0.05126430317091755,
          "ci_low": 0.022198787603013116,
          "coef": 0.03673154538696533,
          "p": 7.280376625482111e-7,
          "se": 0.007414781350340894,
          "t": 4.953827179985098,
          "term": "yob_33"
        },
        {
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          "ci_low": 0.01900535082607492,
          "coef": 0.0327392969018785,
          "p": 0.0000029807256524072373,
          "se": 0.007007218364425381,
          "t": 4.6722244404557305,
          "term": "yob_34"
        },
        {
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          "ci_low": 0.007361278581300101,
          "coef": 0.0196996283846792,
          "p": 0.001752238055046221,
          "se": 0.006295168981423545,
          "t": 3.1293247953805463,
          "term": "yob_35"
        },
        {
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          "ci_low": 0.008483832447970862,
          "coef": 0.019765413172859313,
          "p": 0.0005950717820947613,
          "se": 0.0057559931573096966,
          "t": 3.4338840635622825,
          "term": "yob_36"
        },
        {
          "ci_high": 0.024005056575907437,
          "ci_low": 0.0034141737785028346,
          "coef": 0.013709615177205136,
          "p": 0.009056306404146239,
          "se": 0.005252853450906754,
          "t": 2.609936733498355,
          "term": "yob_37"
        },
        {
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          "ci_low": 0.0024814511940856217,
          "coef": 0.011981608401122935,
          "p": 0.013439544603007553,
          "se": 0.004847090244759461,
          "t": 2.471917747782211,
          "term": "yob_38"
        },
        {
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          "ci_low": 0.05754014595356108,
          "coef": 0.08911545635097498,
          "p": 3.1746317685400635e-8,
          "se": 0.01611008909296629,
          "t": 5.531655091211324,
          "term": "educ"
        }
      ],
      "first_stage": [
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          "ci_low": -0.4443099482623238,
          "coef": -0.34427048224888823,
          "endog": "educ",
          "instrument": "qtr1_yob30",
          "p": 1.5334104886584053e-11,
          "se": 0.05104129427339284,
          "t": -6.744940290990073
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          "endog": "educ",
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          "se": 0.05356460728591,
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        },
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          "t": -3.7458705380003967
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      "reduced_form": [
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    Hashes SHA-256 e metadados de reprodução

    Digests dos dados

    asciiqob 654074d5953a60c49422fd28f157a9ede3a844493e1280ba284d386a05958cf7

    sha256 do resultado

    80f8ddcfa234156daf98daa06bd85289cc726c39f6555b8c7f953444063ffb28

35. 34Pontuação
    #0figura próximapassouobrigatória0.08911545635 vs 0.08911545635601215
36. 35Pontuação
    #1figura próximapassouobrigatória0.01611008909 vs 0.016110089092885405
37. 36Pontuação
    #2figura próximapassouobrigatória0.08911545635 vs 0.0891
38. 37Pontuação
    #3figura próximapassouobrigatória0.01611008909 vs 0.0161

Épocas × verificações

Tentativas

Cada tentativa é seu próprio arquivo e é publicada; só a última de cada época é pontuada.

• época 1, tentativa 1passoupontuada(exibindo)

Downloads desta tarefa