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Tarefa paper_repro.card_krueger_1994.tab3_r3_ciii.tool

paper_reprotoolT1publicépoca 1, tentativa 1Execução: 20261015T183517Z-suite-paper_repro-gemini-0cda63

Veredito

passouPassou em todas as verificações obrigatórias.

Pergunta feita ao analista

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

Valores esperados e de onde vêm

card_krueger_1994.tab3_r3_ciii.software

Fonte
statsmodels 0.15.0: the reference specification of card_krueger_1994 tab3_r3_ciii (infer.did_2x2, figure 'did') on an independent code path
Tipo
software
Localização
card_krueger_1994: Table 3, row 3 'Change in mean FTE employment' (all available observations), column (iii) 'Difference, NJ-PA'
Valor
2,753612.7536057829805793 (se 1,306611.3066070124191145)
Conferido por
execução de software · sm.OLS(fte, [const, nj, wave2, nj·wave2]).fit(cov_type='cluster', groups=store) on the stacked rows on njmin_long (public.dat of the file pinned at sha256 41a29aec6b489658b20030d044a2b20a5f5a04b871cde41df057afd6013ba587, after its 10 declared transforms); n_obs = 794. The tool infer.did_2x2 (magi_infer, numpy) does not call statsmodels. Note: not a balanced two-wave panel by the cluster column: stacked rows. Written by scripts/paper_repro_reference.py.
Implementação
independente da ferramenta
Endereço
https://pypi.org/project/statsmodels/0.15.0/
  • #0 figura próxima: 2,753612.7536057829805793 · relativa 0.000001 · absoluta 0.0000013066070124191144
  • #1 figura próxima: 1,306611.3066070124191145 · relativa 0.000001 · absoluta 0.0000013066070124191144

card_krueger_1994.tab3_r3_ciii.paper

Fonte
Card, D. and Krueger, A. B. (1994). Minimum Wages and Employment: A Case Study of the Fast-Food Industry in New Jersey and Pennsylvania. American Economic Review 84(4): 772-793.
Tipo
paper
Localização
Table 3 (average employment per store before and after the rise in the New Jersey minimum wage), row 3 'Change in mean FTE employment', column (iii) 'Difference, NJ-PA'
Página
780
Trecho
3. Change in mean FTE employment 2.76 (1.36)
Valor como publicado
2.76
Erro-padrão como publicado
1.36
Valor
2,762.76 (se 1,361.36) full-time-equivalent employees per restaurant
Conferido por
fonte primária · Read on 2026-10-15 from the copy on David Card's page (26-page JSTOR scan, the table is an image): Table 3 is on PDF page 9 (printed page 780), read from the page rendered at 220 dpi. The notes say 'Standard errors are shown in parentheses' and that employment at six closed stores is set to zero and at four temporarily closed stores treated as missing (the public file has zero employment for the status2 = 3 stores and missing employment for the four temporarily closed ones). FTE counts each part-time worker as half a full-time worker (check.sas: EMPTOT = EMPPT*.5 + EMPFT + NMGRS). Row 3 is row 2 minus row 1 over all available observations: PA -2.16 (1.25), NJ 0.59 (0.54), difference 2.76 (1.36). Data facts checked before any estimate: 77 Pennsylvania and 321 New Jersey restaurants with FTE employment in wave 1, 77 and 319 in wave 2 (794 restaurant-waves).
sha256 da cópia lida
6f9b9f1b6da9834c2a68bf86fc6078c83acdd7507db0d37b8b4814dfd2b3462e (identifica a cópia lida, não um arquivo canônico)
Desvio conhecido
versão dos dados
Recorded before the software-reference run and before any dry run of this track, from the phase-B research probe (research-papers.md section 3.7, 2026-10-14): the four group means of the public file match rows 1 and 2 to two decimals and give 2.754, while the paper prints 2.76 (its own rounded row-3 entries give 0.59 - (-2.16) = 2.75, and its rounded rows 1 and 2 give 2.75 too, so no rounding of the paper's inputs produces 2.76: the printed value comes from data that differ from the public file, or a typo; relabelled data_version, it was paper_rounding, at the B-join review). The printed SE uses a convention the paper does not state.
Endereço
https://davidcard.berkeley.edu/papers/njmin-aer.pdf
Licença
Copyright American Economic Association; cited, not reproduced.
  • #2 figura próxima: 2,762.76 · published_cell d=2 · absoluta 0.00500000276
  • #3 figura próxima: 1,361.36 · published_cell d=2 (the SE as printed) · absoluta 0.00500000136

Verificações

Cada verificação, o que esperava, o que observou e a chamada que leu
#VerificaçãoObrigatóriaResultadoEsperadoObservadoTolerânciaFonteChamada
0figura próxima
2.753605783 vs 2.7536057829805793
obrigatóriapassou2,753612.75360578298057932,753612.7536057829805816relativa 0.000001 · absoluta 0.0000013066070124191144card_krueger_1994.tab3_r3_ciii.software—
1figura próxima
1.306607012 vs 1.3066070124191145
obrigatóriapassou1,306611.30660701241911451,306611.3066070124191203relativa 0.000001 · absoluta 0.0000013066070124191144card_krueger_1994.tab3_r3_ciii.software—
2figura próxima
2.753605783 vs 2.76
registradafalhou2,762.762,753612.7536057829805816published_cell d=2 · absoluta 0.00500000276card_krueger_1994.tab3_r3_ciii.paper—
3figura próxima
1.306607012 vs 1.36
registradafalhou1,361.361,306611.3066070124191203published_cell d=2 (the SE as printed) · absoluta 0.00500000136card_krueger_1994.tab3_r3_ciii.paper—

Caminho de referência e caminho do agente

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

a própria especificação da tarefa

Referência: infer.did_2x2Chamada do agente: infer.did_2x2 (call_786be87f)igual
Argumentos da referência e do agente
ArgumentoReferênciaAgente
cluster"store""store"igual
controls[][]igual
dataset"njmin_long""njmin_long"igual
level—0,950.95não fixado pela referência
post"wave2""wave2"igual
treated"nj""nj"igual
y"fte""fte"igual

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.

    njmin_long (agent)

    The survey of fast-food restaurants (Burger King, KFC, Roy Rogers, Wendy's) in New Jersey and eastern Pennsylvania used by Card and Krueger (1994), 'Minimum Wages and Employment': New Jersey's minimum wage rose from $4.25 to $5.05 per hour on April 1, 1992; Pennsylvania's did not change. Each restaurant was interviewed in February-March 1992 (wave 1, before the rise) and again in November-December 1992 (wave 2, after it). One row per restaurant and wave (410 restaurants, two rows each); the employment of a wave is missing when the restaurant gave no employment data in that wave. Columns: store, a unique restaurant id (the sheet number, plus 1000 for New Jersey restaurants, because one sheet number is used by one restaurant in each state); sheet, the survey's sheet number; wave, 1 or 2; wave2, 1 for the second wave (after the rise) and 0 for the first; nj, 1 for a restaurant in New Jersey and 0 for one in Pennsylvania; fte, full-time-equivalent employment in that wave (full-time employees plus managers and assistant managers plus half the part-time employees, the authors' definition; restaurants closed for good in wave 2 report zero employees); chain, 1 Burger King, 2 KFC, 3 Roy Rogers, 4 Wendy's; co_owned, 1 if company-owned; southj, centralj, northj, 1 for southern, central and northern New Jersey; pa1, pa2, 1 for the northeast suburbs of Philadelphia and for Easton and nearby areas; shore, 1 on the New Jersey shore; wage_st, starting wage in wave 1 ($ per hour); status2, status of the second interview (0 refused, 1 answered, 2 closed for renovations, 3 closed permanently, 4 closed for highway construction, 5 closed by a mall fire).

    file 41a29aec6b489658b20030d044a2b20a5f5a04b871cde41df057afd6013ba587 · frame —
    1. derive {"args":{"column":"emppt","factor":0.5},"name":"pt_half1","op":"scale"}
    2. derive {"args":{"columns":["empft","nmgrs","pt_half1"]},"name":"fte1","op":"sum"}
    3. derive {"args":{"column":"emppt2","factor":0.5},"name":"pt_half2","op":"scale"}
    4. derive {"args":{"columns":["empft2","nmgrs2","pt_half2"]},"name":"fte2","op":"sum"}
    5. derive {"args":{"column":"state","factor":1000},"name":"state_k","op":"scale"}
    6. derive {"args":{"columns":["sheet","state_k"]},"name":"store","op":"sum"}
    7. rename {"map":{"state":"nj"}}
    8. select {"columns":["store","sheet","chain","co_owned","nj","southj","centralj","northj","pa1","pa2","shore","wage_st","status2","fte1","fte2"]}
    9. reshape_long {"id":["store"],"j":"wave","stubs":["fte"]}
    10. derive {"args":{"cmp":"eq","column":"wave","value":2},"name":"wave2","op":"indicator"}
  2. 1Transformação
    njmin_long · derive {"args":{"column":"emppt","factor":0.5},"name":"pt_half1","op":"scale"}
    410 → 410 linhas
    Frame antes → depois: 23992890fd66 → 8509ad26d6da
  3. 2Transformação
    njmin_long · derive {"args":{"columns":["empft","nmgrs","pt_half1"]},"name":"fte1","op":"sum"}
    410 → 410 linhas
    Frame antes → depois: 8509ad26d6da → a007c15bc5d2
  4. 3Transformação
    njmin_long · derive {"args":{"column":"emppt2","factor":0.5},"name":"pt_half2","op":"scale"}
    410 → 410 linhas
    Frame antes → depois: a007c15bc5d2 → d9ae72d01975
  5. 4Transformação
    njmin_long · derive {"args":{"columns":["empft2","nmgrs2","pt_half2"]},"name":"fte2","op":"sum"}
    410 → 410 linhas
    Frame antes → depois: d9ae72d01975 → 6328c90ff4e6
  6. 5Transformação
    njmin_long · derive {"args":{"column":"state","factor":1000},"name":"state_k","op":"scale"}
    410 → 410 linhas
    Frame antes → depois: 6328c90ff4e6 → d497fb988f6b
  7. 6Transformação
    njmin_long · derive {"args":{"columns":["sheet","state_k"]},"name":"store","op":"sum"}
    410 → 410 linhas
    Frame antes → depois: d497fb988f6b → b4da454f129f
  8. 7Transformação
    njmin_long · rename {"map":{"state":"nj"}}
    410 → 410 linhas
    Frame antes → depois: b4da454f129f → 1398628b36ae
  9. 8Transformação
    njmin_long · select {"columns":["store","sheet","chain","co_owned","nj","southj","centralj","northj","pa1","pa2","shore","wage_st","status2","fte1","fte2"]}
    410 → 410 linhas
    Frame antes → depois: 1398628b36ae → 5da0564e9bdb
  10. 9Transformação
    njmin_long · reshape_long {"id":["store"],"j":"wave","stubs":["fte"]}
    410 → 820 linhas
    Frame antes → depois: 5da0564e9bdb → e431f1f5da32
  11. 10Transformação
    njmin_long · derive {"args":{"cmp":"eq","column":"wave","value":2},"name":"wave2","op":"indicator"}
    820 → 820 linhas
    Frame antes → depois: e431f1f5da32 → 1400ae8f1887
  12. 11Ferramenta
    infer.did_2x2v0.1.0call_786be87fdecidido pelo códigoreexecutável
    Argumentos
    {
      "cluster": "store",
      "controls": [],
      "dataset": "njmin_long",
      "level": 0.95,
      "post": "wave2",
      "treated": "nj",
      "y": "fte"
    }
    Figuras call_786be87f
    ChaveValorValor brutoErro-padrãoIC
    did
    Difference-in-differences effect on fte
    2,75361 2.75360578298058161,306611.30660701241912030,185102 – 5,32211
    Diagnósticos
    • design = "stacked"
    • n_obs = 794794
    • se_type = "cluster"
    • parallel_trends = "untestable"
    • n_clusters = 410410
    Tabelas (1)
    {
      "means": [
        {
          "group": "treated",
          "mean": 20.439408099688475,
          "n": 321,
          "period": "before"
        },
        {
          "group": "treated",
          "mean": 21.02742946708464,
          "n": 319,
          "period": "after"
        },
        {
          "group": "comparison",
          "mean": 23.33116883116883,
          "n": 77,
          "period": "before"
        },
        {
          "group": "comparison",
          "mean": 21.165584415584416,
          "n": 77,
          "period": "after"
        }
      ]
    }
    • 26 rows were dropped because one of 'fte', 'nj', 'wave2', 'store' was missing
    • with two periods parallel trends cannot be tested
    Digests dos dados
    njmin_long 1400ae8f1887d40b00dd9de85c9853d6ae2c0ce54e44bee458c94220f44a4803
    sha256 do resultado
    acb97953966e7a5d47d3e67fff3f0173299a61371a475bc1f900c9fb07bd4303
  13. 12Pontuação
    #0figura próximapassouobrigatória2.753605783 vs 2.7536057829805793
  14. 13Pontuação
    #1figura próximapassouobrigatória1.306607012 vs 1.3066070124191145
  15. 14Pontuação
    #2figura próximafalhouregistrada2.753605783 vs 2.76
  16. 15Pontuação
    #3figura próximafalhouregistrada1.306607012 vs 1.36

Épocas × verificações

Resultado de cada verificação em cada época pontuada
#0123
Época 1passoupassoufalhoufalhou

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Pacote da tarefa (.zip)
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sources/card_krueger_1994.tab3_r3_ciii.paper.json2,6 KB5465c4ded535a7572106615312d8b749f1ac0f763127ae0436803aab343c5315
sources/card_krueger_1994.tab3_r3_ciii.software.json1,3 KB0e1216021d73a2c0180f17697842c4103c8543de84a225869d000e1fbffc04e5
specs/paper_repro.card_krueger_1994.tab3_r3_ciii.tool.json8,0 KB218328207d362a2e3df989f072f6645cb23a1963ee525fa3e7264d78f501f85d
traces/paper_repro.card_krueger_1994.tab3_r3_ciii.tool.e1.a1.jsonl12,9 KBd2b5a047c66fcbcb0ce8af0b63bd0367d5610624c714fae286e52d4e1f3817dd
trajectories/paper_repro.card_krueger_1994.tab3_r3_ciii.tool.e1.a1.jsonl15,2 KB79265b50d7c4bae8fa00bf263214c9e45dcb0c75f5e4c112b88d1b78b81a246b