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Economic terms RPI, CPI, inflation, bonds and QE explained

11 October 2012 Last updated at 11:57 BST

Politicians and journalists often assume the public understands them when they use terms like QE, RPI, CPI, inflation and government bonds.

Susana Mendonça went shopping and sought help from Economics for Dummies author Peter Antonioni to explain what they mean and why they matter.

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