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Last broadcast on Sun, 26 Apr 2009, 20:00 on BBC Radio 4 (see all broadcasts).
Synopsis
Tim Harford examines how the arithmetic behind sustainable energy adds up, asks whether putting in 100 per cent effort is enough and declares a dictatorship in an attempt to explain the national debt.
Radio 4 Mathematics Collection
Broadcasts
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Fri 24 Apr 200913:30
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Sun 26 Apr 200920:00



