Resumen

AYLLON BENITEZ, Julio César et al. Intervention analysis in the percentage change of the INPC in Mexico, january 2002-june 2020. Econ. soc. territ [online]. 2024, vol.24, n.74, e1830.  Epub 03-Mayo-2024. ISSN 2448-6183.  https://doi.org/10.22136/est20241830.

The intervention analysis concerns time series and the objective was to quantify the impact of each intervention on the percentage variation of the national consumer price index. For the period january 2002-june 2020, the effects were estimated using a seasonal autoregressive integrated moving average (SARIMA) model using SAS® software. The results indicate changes in the level of the series caused by the economic crisis, increases in energy and gasoline prices during march 2008, january 2010 and january 2017; in addition, a downward additive effect in april 2020 due to the health contingency.

Palabras llave : ARIMA; economy; inflation; time series.

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