Author
Listed:
- Catalina Sandoval-Alvarado
(Department of Economic Research, Central Bank of Costa Rica)
- Alonso Alfaro-Ureña
(Economic Division, Central Bank of Costa Rica)
Abstract
This paper analyzes empirically the relationship between the variations of international commodity prices and inflation in Costa Rica in the period from January 2000 to December 2021. The pass-through of the commodity prices to the consumer prices is analyzed through the supply chain using the consumer price index (IPC), the manufacture producer price index (IPP-MAN) and the commodity price index (IP-MPi). A recursive model of Autoregressive Vectors allows us to represent the relationship between these variables. The results indicate that the pass-through from commodity prices to inflation is small. For example, an increase of 10 percentage points in the variation of the prices of commodities in the international market will increase inflation on 0.27 p.p. after six months. The review of the relationship according to groups of items of the CPI that have or do not have regulated prices suggests that the pass-through to domestic prices occurs mainly on the group of goods and services with regulated price. In addition, there is evidence of heterogeneity in price response by subclasses of items. ***Resumen: Este trabajo analiza empíricamente la relación entre las variaciones en los precios internacionales de las materias primas y la inflación en Costa Rica en el periodo de enero del 2000 a diciembre del 2021. Se estudia el traspaso de los precios de materias primas al consumidor mediante la cadena de suministros, para lo cual se hace uso de índices de precios al consumidor (IPC), al productor de manufactura (IPP-MAN) y de materias primas internacionales importadas (IP-MPi). Un modelo recursivo de Vectores Autorregresivos permite representar la relación entre estas variables. Los resultados indican que el traspaso de los precios de las materias primas a la inflación general es pequeño. Por ejemplo, un aumento de 10 puntos porcentuales en la variación de los precios de materias primas en el mercado internacional se manifestaría en un incremento de 0,27 p.p. en la inflación transcurridos seis meses. La revisión de la relación según artículos regulados y no regulados del IPC sugiere que el traspaso de los precios de las materias primas se da principalmente sobre los precios de bienes y servicios regulados. Además, se encontró evidencia de heterogeneidad en la respuesta de los precios por subclases de artículos.
Suggested Citation
Catalina Sandoval-Alvarado & Alonso Alfaro-Ureña, 2022.
"The relationship between commodity prices and inflation in Costa Rica,"
Notas Técnicas
2209, Banco Central de Costa Rica.
Handle:
RePEc:apk:nottec:2209
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Keywords
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JEL classification:
- E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
- C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
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