
Este documento presenta una herramienta que permite a los analistas determinar si una serie mensual o trimestral ha regresado a los niveles del periodo prepandemia COVID-19. El índice de regreso a la prepandemia emplea modelos autorregresivos, con medias móviles estacionales que permiten calcular un límite inferior y superior para el valor esperado de la serie. De esta manera, el índice genera una zona en la que se puede afirmar, con un nivel de confianza dado, si la serie bajo estudio ha recuperado sus niveles históricos. Para ilustrar su funcionamiento, se emplean ocho diferentes series de la economía colombiana. Dos fortalezas de este índice son su fácil interpretación y el uso de solo los datos históricos de la serie bajo estudio.
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http://vocabularies.unesco.org/thesaurus/concept4463, C18 Methodological issues: general, Pre-COVID, http://vocabularies.unesco.org/thesaurus/concept4462, http://vocabularies.unesco.org/thesaurus/concept119, HF5001-6182, Economic crisis, Variables (Estadística), http://vocabularies.unesco.org/thesaurus/concept2761, http://vocabularies.unesco.org/thesaurus/concept4467, //vocabularies.unesco.org/thesaurus/concept2761 [http], Recesión económica, Coyuntura económica, Análisis estadístico, general [C18 Methodological issues], COVID-19 (Disease), //id.loc.gov/authorities/subjects/sh85037057 [http], Índice, Economía - Metodología, Business, //vocabularies.unesco.org/thesaurus/concept119 [http], Crisis económica, //id.loc.gov/authorities/subjects/sh85139643 [http], http://id.loc.gov/authorities/subjects/sh85064865, Desempleo, Statistics, Indexes, COVID-19 (Enfermedad), Economics - Methodology, Economic recovery, covid-19, Statistical analysis, Índices, http://id.loc.gov/authorities/subjects/sh00006403, //id.loc.gov/authorities/subjects/sh2020000570 [http], //vocabularies.unesco.org/thesaurus/concept8151 [http], Economic recession, Employment, Enfermedades epidémicas, http://id.loc.gov/authorities/subjects/sh85037057, Statistical variables, //vocabularies.unesco.org/thesaurus/concept4462 [http], Estadística, //id.loc.gov/authorities/subjects/sh85040858 [http], //id.loc.gov/authorities/subjects/sh85064865 [http], índice, //vocabularies.unesco.org/thesaurus/concept4467 [http], Epidemia, //vocabularies.unesco.org/thesaurus/concept4463 [http], http://id.loc.gov/authorities/subjects/sh85139643, Epidemic diseases, Occupations, http://id.loc.gov/authorities/subjects/sh85040858, Epidemics, coyuntura económica, Empleos, //vocabularies.unesco.org/thesaurus/concept682 [http], pre-covid, http://vocabularies.unesco.org/thesaurus/concept8151, COVID-19, Reactivación económica, http://vocabularies.unesco.org/thesaurus/concept682, http://id.loc.gov/authorities/subjects/sh2020000570, Unemployment, //id.loc.gov/authorities/subjects/sh00006403 [http], Depressions, Empleo, B40 General
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