Nowcasting brazilian inflation with machine learning
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/10438/31426 |
Resumo: | A importância de monitoramento das principais variáveis macroeconômicas é evidenciada pelo grande esforço que os agentes devotam a esta tarefa. O presente trabalho propõe-se a contribuir para a literatura de previsão econômica, aplicando os modelos de aprendizado de máquina para monitorar diariamente a inflação brasileira medida pelo IPCA. Os resultados obtidos são promissores. O benefício de fazer monitoramento diário da inflação em vez da previsão uma vez por mês é na ordem de 50%-60% em média para quase todos os modelos de aprendizado de máquina considerados. Os modelos que apresentam o melhor desempenho são Regressão de Subconjunto Completo e Floresta Aleatória. Os resultados também mostram que usar técnicas multivariadas de aprendizado de máquina em vez de simples modelos univariados reduz o erro da previsão em até 20%. |
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Garnitskiy, LeonidEscolas::EPGEIachan, Felipe SaraivaGaglianone, Wagner PiazzaIssler, João Victor2021-12-17T17:37:30Z2021-12-17T17:37:30Z2020-04-24https://hdl.handle.net/10438/31426A importância de monitoramento das principais variáveis macroeconômicas é evidenciada pelo grande esforço que os agentes devotam a esta tarefa. O presente trabalho propõe-se a contribuir para a literatura de previsão econômica, aplicando os modelos de aprendizado de máquina para monitorar diariamente a inflação brasileira medida pelo IPCA. Os resultados obtidos são promissores. O benefício de fazer monitoramento diário da inflação em vez da previsão uma vez por mês é na ordem de 50%-60% em média para quase todos os modelos de aprendizado de máquina considerados. Os modelos que apresentam o melhor desempenho são Regressão de Subconjunto Completo e Floresta Aleatória. Os resultados também mostram que usar técnicas multivariadas de aprendizado de máquina em vez de simples modelos univariados reduz o erro da previsão em até 20%.Many efforts are made by economists to track key macroeconomic variables in real time. This paper aims to make a contribution to economic forecasting research by employing Machine Learning techniques to perform a daily nowcasting of Brazilian inflation. The original results obtained are encouraging. The benefit of making a daily nowcast of inflation instead of one-month-ahead forecast is found to be of 50%-60% on average for almost all ML models considered. The best-performing ML techniques are Complete Subset Regression and Random Forest. The results also show that using ML methods instead of univariate benchmarks reduces the nowcasting error in at most 20%.engMonitoramento da inflaçãoAprendizado de máquinaRegressão de subconjunto completoInflation nowcastingMachine learningComplete subset regressionsEconomiaInflação - Brasil - Modelos macroeconômicosAprendizado do computadorModelagem de dadosNowcasting brazilian inflation with machine learninginfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis2020-04-24info:eu-repo/semantics/openAccessreponame:Repositório Institucional do FGV (FGV Repositório Digital)instname:Fundação Getulio Vargas (FGV)instacron:FGVORIGINALPDFPDFapplication/pdf4660319https://repositorio.fgv.br/bitstreams/39c7346b-46ab-4c2c-8dd6-4cad17b1a1ee/download75851c6c9afadf77ec6799a4401a0488MD51LICENSElicense.txtlicense.txttext/plain; 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|
dc.title.eng.fl_str_mv |
Nowcasting brazilian inflation with machine learning |
title |
Nowcasting brazilian inflation with machine learning |
spellingShingle |
Nowcasting brazilian inflation with machine learning Garnitskiy, Leonid Monitoramento da inflação Aprendizado de máquina Regressão de subconjunto completo Inflation nowcasting Machine learning Complete subset regressions Economia Inflação - Brasil - Modelos macroeconômicos Aprendizado do computador Modelagem de dados |
title_short |
Nowcasting brazilian inflation with machine learning |
title_full |
Nowcasting brazilian inflation with machine learning |
title_fullStr |
Nowcasting brazilian inflation with machine learning |
title_full_unstemmed |
Nowcasting brazilian inflation with machine learning |
title_sort |
Nowcasting brazilian inflation with machine learning |
author |
Garnitskiy, Leonid |
author_facet |
Garnitskiy, Leonid |
author_role |
author |
dc.contributor.unidadefgv.por.fl_str_mv |
Escolas::EPGE |
dc.contributor.member.none.fl_str_mv |
Iachan, Felipe Saraiva Gaglianone, Wagner Piazza |
dc.contributor.author.fl_str_mv |
Garnitskiy, Leonid |
dc.contributor.advisor1.fl_str_mv |
Issler, João Victor |
contributor_str_mv |
Issler, João Victor |
dc.subject.por.fl_str_mv |
Monitoramento da inflação Aprendizado de máquina Regressão de subconjunto completo |
topic |
Monitoramento da inflação Aprendizado de máquina Regressão de subconjunto completo Inflation nowcasting Machine learning Complete subset regressions Economia Inflação - Brasil - Modelos macroeconômicos Aprendizado do computador Modelagem de dados |
dc.subject.eng.fl_str_mv |
Inflation nowcasting Machine learning Complete subset regressions |
dc.subject.area.por.fl_str_mv |
Economia |
dc.subject.bibliodata.por.fl_str_mv |
Inflação - Brasil - Modelos macroeconômicos Aprendizado do computador Modelagem de dados |
description |
A importância de monitoramento das principais variáveis macroeconômicas é evidenciada pelo grande esforço que os agentes devotam a esta tarefa. O presente trabalho propõe-se a contribuir para a literatura de previsão econômica, aplicando os modelos de aprendizado de máquina para monitorar diariamente a inflação brasileira medida pelo IPCA. Os resultados obtidos são promissores. O benefício de fazer monitoramento diário da inflação em vez da previsão uma vez por mês é na ordem de 50%-60% em média para quase todos os modelos de aprendizado de máquina considerados. Os modelos que apresentam o melhor desempenho são Regressão de Subconjunto Completo e Floresta Aleatória. Os resultados também mostram que usar técnicas multivariadas de aprendizado de máquina em vez de simples modelos univariados reduz o erro da previsão em até 20%. |
publishDate |
2020 |
dc.date.issued.fl_str_mv |
2020-04-24 |
dc.date.accessioned.fl_str_mv |
2021-12-17T17:37:30Z |
dc.date.available.fl_str_mv |
2021-12-17T17:37:30Z |
dc.type.status.fl_str_mv |
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info:eu-repo/semantics/masterThesis |
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masterThesis |
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https://hdl.handle.net/10438/31426 |
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eng |
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eng |
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openAccess |
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