The Plutocratic Bias in the CPI Evidence from Spain

We define the plutocratic bias as the difference between inflation measured according to the current official CPI and a democratic index in which all households receive the same weight. We estimate that during the 1990s the plutocratic bias in Spain amounts to 0.055 percent per year. However, positi...

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Bibliographic Details
Main Author: Ruiz Castillo, Javier
Other Authors: Ley, Eduardo, Izquierdo, Mario
Format: eBook
Language:English
Published: Washington, D.C. International Monetary Fund 2000
Series:IMF Working Papers
Subjects:
Online Access:
Collection: International Monetary Fund - Collection details see MPG.ReNa
Description
Summary:We define the plutocratic bias as the difference between inflation measured according to the current official CPI and a democratic index in which all households receive the same weight. We estimate that during the 1990s the plutocratic bias in Spain amounts to 0.055 percent per year. However, positive and negative biases cancel off when averaging over the whole period. The mean absolute bias is significantly larger, 0.090. We can explain most of the oscillations experimented by the plutocratic bias by the price behavior of three goods: a luxury good and two necessities
Physical Description:25 pages
ISBN:9781451858174