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aligned closely with uncertainty about tax and public spending policy in 2005 but differed from uncertainty about tax and public spending policy by a large amount in 2009.
was substantially lower than uncertainty about tax and public spending policy each year from 2005 to 2010.
reached its highest level between 2005 and 2010 in the same year that uncertainty about trade policy and tax and public spending policy reached their lowest levels.
was substantially lower than uncertainty about trade policy in 2005 and substantially higher than uncertainty about trade policy in 2010.