Inflation Expectations of the Inattentive General Public

Stellenbosch Working Paper Series No. WP08/2012
 
Publication date: 2012
 
Author(s):
[protected email address] (Department of Economics, University of Stellenbosch)
 
Abstract:

The majority of academic research on central bank communication has analysed a central bank’s audience as a single group. Analyses, especially empirical research, have focused almost exclusively on a central bank’s interaction with the financial markets, facilitated by the availability of high-quality, high-frequency asset price data. In practice, a central bank’s audience is heterogeneous, and recognising this is advantageous for both modelling purposes and effective central bank communication. Many central banks use a range of communication tools to reach their various audiences, but little formal analysis has been conducted to guide policy design and communication strategies. Gathering and processing information are costly for the general public, so they make rational decisions that limit the time and resources they allocate to these tasks. As a result, aggregate inflation expectations of the public as a whole can be described as ‘sticky’ in that the spread of information about inflation expectations through the economy is not instantaneous. A body of literature has emerged over the past decade, led by Mankiw and Reis (2001), who developed the Sticky Information Phillips Curve (SIPC), and Carroll (2002, 2003), who proposed microfoundations for the SIPC. This paper follows Carroll (2002, 2003) in adopting epidemiological models to provide insight into how the general public in South Africa forms its inflation expectations. This enables an estimation of the speed at which the South African general public updates its inflation expectations (information stickiness). Agent-based models, which explain the complex aggregate inflation expectations of the general public from the agent level upwards, are then used to verify these estimates of information stickiness and explore the microfoundations of aggregate inflation expectations.

 
JEL Classification:

D82, D83, E31, E52, E58

Keywords:

South Africa, sticky information, inflation expectations, inattentive general public

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26 January 2024
Domestically, the theme of the week centred around monetary policy and inflation, with the SA Reserve Bank (SARB) making its first repo rate decision of the year on Thursday. Furthermore, Stats SA released both consumer and producer price inflation data for December. Globally, monetary policy was also important, with the European Central Bank (ECB),...

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BER Weekly

26 January 2024
Domestically, the theme of the week centred around monetary policy and inflation, with the SA Reserve Bank (SARB) making its first repo rate decision of the year on Thursday. Furthermore, Stats SA released both consumer and producer price inflation data for December. Globally, monetary policy was also important, with the European Central Bank (ECB),...

Read the full issue