Groups of forecasters and their performances - evidence from the focus survey
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Tipo de documento: | Dissertação |
Idioma: | eng |
Título da fonte: | Repositório Institucional do FGV (FGV Repositório Digital) |
Texto Completo: | https://hdl.handle.net/10438/34589 |
Resumo: | Esse trabalho examina a acurácia das instituições participantes da Focus Survey, que é organizada pelo Banco Central do Brasil. Os respondentes da survey são estimulados a participar pelo concurso Top Five. Dividimos os participantes em grupos de updaters e não updaters, sendo os updaters aqueles que colocam sua previsão no dia do concurso. O método Extended BCAF é usado para avaliar a precisão dos grupos de previsores. Observa-se que os updaters são consideravelmente mais precisos na lógica do MSE do que os não updaters. Para não descartar informação, algumas regras de correção são propostas de modo que possamos retificar as previsões dos não updaters. O grupo de previsores corrigidos é então combinado com o grupo de updaters e o Extended BCAF é novamente aplicado. Entretanto, quando comparado ao grupo dos updaters sozinhos, descobrimos que o grupo com as previsões corrigidas performa pior. Portanto, a evidência mostra que o grupo de updaters é o mais preciso em prever a inflação. |
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Curi, Nicolau CertainEscolas::EPGETrindade, André Garcia de OliveiraGaglianone, Wagner PiazzaIssler, João Victor2023-12-07T12:42:15Z2023-12-07T12:42:15Z2020-03-31https://hdl.handle.net/10438/34589Esse trabalho examina a acurácia das instituições participantes da Focus Survey, que é organizada pelo Banco Central do Brasil. Os respondentes da survey são estimulados a participar pelo concurso Top Five. Dividimos os participantes em grupos de updaters e não updaters, sendo os updaters aqueles que colocam sua previsão no dia do concurso. O método Extended BCAF é usado para avaliar a precisão dos grupos de previsores. Observa-se que os updaters são consideravelmente mais precisos na lógica do MSE do que os não updaters. Para não descartar informação, algumas regras de correção são propostas de modo que possamos retificar as previsões dos não updaters. O grupo de previsores corrigidos é então combinado com o grupo de updaters e o Extended BCAF é novamente aplicado. Entretanto, quando comparado ao grupo dos updaters sozinhos, descobrimos que o grupo com as previsões corrigidas performa pior. Portanto, a evidência mostra que o grupo de updaters é o mais preciso em prever a inflação.This study examines the accuracy of forecasters in the Focus Survey led by the Brazilian Central Bank. The survey respondents are stimulated to participate by the Top Five contest. We divide the participants into groups of updaters and non updaters, being the updaters the ones who place their forecasts at the contest day. The forecast combination method Extended BCAF is used to evaluate the groups forecasting accuracy. It is found that the updaters are considerably more accurate in the MSE sense than the non updaters. In order to not discard information, some correction rules are proposed so that we can rectify the non updaters forecasts. The corrected forecasts of non updaters are then united with the updaters forecasts and we apply again the Extended BCAF. When comparing to the group of only updaters though, the groups with the corrected forecasts still perform worse. Hence, the evidence shows that the group of updaters is the most accurate.Forecast CombinationBrazilian InflationRational InattentionEconomiaTaxa de inflação - Modelos econométricos - BrasilInflação - BrasilPrevisão estatísticaGroups of forecasters and their performances - evidence from the focus surveyinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesisinfo:eu-repo/semantics/openAccessengreponame:Repositório Institucional do FGV (FGV Repositório Digital)instname:Fundação Getulio Vargas (FGV)instacron:FGVORIGINALPDFPDFapplication/pdf1097248https://repositorio.fgv.br/bitstreams/de1596b4-1c3c-4eab-a355-8d651ff8345c/download473580f31539672ae89ae359a53ba980MD51LICENSElicense.txtlicense.txttext/plain; charset=utf-84707https://repositorio.fgv.br/bitstreams/fb34251f-fb35-49a4-8f02-d5aa7e9ecf02/downloaddfb340242cced38a6cca06c627998fa1MD52TEXTDissertacao_Nicolau.pdf.txtDissertacao_Nicolau.pdf.txtExtracted 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dc.title.por.fl_str_mv |
Groups of forecasters and their performances - evidence from the focus survey |
title |
Groups of forecasters and their performances - evidence from the focus survey |
spellingShingle |
Groups of forecasters and their performances - evidence from the focus survey Curi, Nicolau Certain Forecast Combination Brazilian Inflation Rational Inattention Economia Taxa de inflação - Modelos econométricos - Brasil Inflação - Brasil Previsão estatística |
title_short |
Groups of forecasters and their performances - evidence from the focus survey |
title_full |
Groups of forecasters and their performances - evidence from the focus survey |
title_fullStr |
Groups of forecasters and their performances - evidence from the focus survey |
title_full_unstemmed |
Groups of forecasters and their performances - evidence from the focus survey |
title_sort |
Groups of forecasters and their performances - evidence from the focus survey |
author |
Curi, Nicolau Certain |
author_facet |
Curi, Nicolau Certain |
author_role |
author |
dc.contributor.unidadefgv.por.fl_str_mv |
Escolas::EPGE |
dc.contributor.member.none.fl_str_mv |
Trindade, André Garcia de Oliveira Gaglianone, Wagner Piazza |
dc.contributor.author.fl_str_mv |
Curi, Nicolau Certain |
dc.contributor.advisor1.fl_str_mv |
Issler, João Victor |
contributor_str_mv |
Issler, João Victor |
dc.subject.por.fl_str_mv |
Forecast Combination Brazilian Inflation Rational Inattention |
topic |
Forecast Combination Brazilian Inflation Rational Inattention Economia Taxa de inflação - Modelos econométricos - Brasil Inflação - Brasil Previsão estatística |
dc.subject.area.por.fl_str_mv |
Economia |
dc.subject.bibliodata.por.fl_str_mv |
Taxa de inflação - Modelos econométricos - Brasil Inflação - Brasil Previsão estatística |
description |
Esse trabalho examina a acurácia das instituições participantes da Focus Survey, que é organizada pelo Banco Central do Brasil. Os respondentes da survey são estimulados a participar pelo concurso Top Five. Dividimos os participantes em grupos de updaters e não updaters, sendo os updaters aqueles que colocam sua previsão no dia do concurso. O método Extended BCAF é usado para avaliar a precisão dos grupos de previsores. Observa-se que os updaters são consideravelmente mais precisos na lógica do MSE do que os não updaters. Para não descartar informação, algumas regras de correção são propostas de modo que possamos retificar as previsões dos não updaters. O grupo de previsores corrigidos é então combinado com o grupo de updaters e o Extended BCAF é novamente aplicado. Entretanto, quando comparado ao grupo dos updaters sozinhos, descobrimos que o grupo com as previsões corrigidas performa pior. Portanto, a evidência mostra que o grupo de updaters é o mais preciso em prever a inflação. |
publishDate |
2020 |
dc.date.issued.fl_str_mv |
2020-03-31 |
dc.date.accessioned.fl_str_mv |
2023-12-07T12:42:15Z |
dc.date.available.fl_str_mv |
2023-12-07T12:42:15Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
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masterThesis |
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dc.identifier.uri.fl_str_mv |
https://hdl.handle.net/10438/34589 |
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https://hdl.handle.net/10438/34589 |
dc.language.iso.fl_str_mv |
eng |
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eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
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