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democracy - Vision the Italian Think Tank

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Such a loss of information is, in <strong>the</strong>ory, measured by <strong>the</strong> distance between <strong>the</strong> choice– made on <strong>the</strong> day of <strong>the</strong> elections – and <strong>the</strong> (weighted) average of <strong>the</strong> choices (or atleast satisfaction levels) that month by month, day by day (or whatever is <strong>the</strong> timeunit we want consider) <strong>the</strong> citizen would have expressed during <strong>the</strong> government lifecycle.If we express ourselves at moments which are apart in time, it is likely (natural) thatclose events (last week, last hours) have a greater weight than episodes that may haveinfluenced more <strong>the</strong> quality of our lives, but that have disappeared from our memory,that may have influenced our opinion for a longer period of time but are not relevantfor “electoral” purpose.The graph below gives a sense of <strong>the</strong> magnitude of <strong>the</strong> “error” in <strong>the</strong> case of <strong>the</strong> lastUS presidency.Current US President approval rate (2000-2005, %)100Election 2000Election 20046530Sett 2000Nov 2001 Nov 2002 Nov 2003 Nov 2004 Ago 2005Source: <strong>Vision</strong> on USA Today/ CNN dataIn <strong>the</strong> case of <strong>the</strong> most important political competition, it would have been enough tomove back or forward <strong>the</strong> election date to get completely different election outcomes.The <strong>the</strong>oretical issue has, clearly, heavy practical consequences.Electoral campaign experts have realized this for some time and are, by now, used toconcentrate <strong>the</strong> selling of different political products over <strong>the</strong> electoral period.17

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