Abstract:<p>The aim of this article is to study the causal relationship between inflation and relative price variability in Brazil. The period under analysis spans from January 1995 to June 2011. It focuses on both headline and core inflation rates, and also takes the inflation targeting regimeinto account. The time series analysis shows that: <italic>i</italic>) the correlation between inflation and relative price variability is positive and significant (the same applies to core inflation); <itali… Show more
This paper explores the relationship between inflation and relative price variability (RPV) in Turkey for the period 2004–2017 to shed further light on the issue with relatively recent data. For this purpose, we use monthly price data for 12 main item groups and 414 specific items thereof. Analyses show that RPV for the period of interest exhibits large fluctuations, being particularly salient in the categories of communications and food. Regarding the underlying functional form, semi-parametric estimation results indicate a U-shaped relationship between inflation and RPV, where the latter reaches its minimum at an inflation level close to 8%.
This paper explores the relationship between inflation and relative price variability (RPV) in Turkey for the period 2004–2017 to shed further light on the issue with relatively recent data. For this purpose, we use monthly price data for 12 main item groups and 414 specific items thereof. Analyses show that RPV for the period of interest exhibits large fluctuations, being particularly salient in the categories of communications and food. Regarding the underlying functional form, semi-parametric estimation results indicate a U-shaped relationship between inflation and RPV, where the latter reaches its minimum at an inflation level close to 8%.
Resumo Este estudo investiga como os choques de oferta, originados pelos preços das commodities, têm impactado na inflação brasileira e como e com que eficiência a política monetária do país tem reagido. Para tanto, foi estimado um modelo semiestrutural contendo uma curva de Phillips, uma curva IS e duas versões da Função de Reação do Banco Central. O método de estimação empregado foi o de Autorregressão Vetorial com Correção de Erro (VEC) na sua versão estrutural. Os resultados sugerem que a taxa de inflação brasileira tem um componente de indexação importante, mas é também influenciada pela expectativa que o mercado forma a seu respeito e pelo comportamento dos preços do lado da oferta, que também exercem certo impacto na expectativa de inflação.
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