Exchange Rate Passthrough to Consumer Prices in South Africa: Evidence from Microdata

Working Paper: CEPR ID: DP9735

Authors: Janine Aron; Kenneth Creamer; John Muellbauer; Neil Rankin

Abstract: A sizeable literature examines exchange rate pass-through to disaggregated import prices but very few micro-studies focus on consumer prices. This paper explores exchange rate pass-through to consumer prices in South Africa during 2002-2007, using a unique data set of highly disaggregated data at the product and outlet level. The paper adopts an empirical approach that allows pass-through to be calculated over various horizons, including controls for domestic and foreign costs. It studies how pass-through differs across types of consumption goods and services and draws some aggregate implications about pass-through, using actual weights from the CPI basket. The heterogeneity of pass-through for different food sub-components and the role of switches between import and export parity pricing of maize is investigated and found significant for five out of ten food sub-components. Overall pass-through to the almost 63 percent of the CPI covered is estimated at about 30 percent after two years, but is higher for food.

Keywords: consumer prices; CPI; exchange rate passthrough; exchange rate volatility; food prices; goods prices; monetary policy; services prices

JEL Codes: C23; C51; C52; E3; E31; E52; E58; F31; F39


Causal Claims Network Graph

Edges that are evidenced by causal inference methods are in orange, and the rest are in light blue.


Causal Claims

CauseEffect
exchange rate changes (F31)consumer prices (P22)
import and export parity pricing (F14)passthrough rates (G19)

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