"The increase in expenditure provides a much-needed shot in the arm for the advertising industry. When the economy is in a slow growth mode with uncertain growth prospects, advertising expenditures often lag. There is a degree to which political advertising expenditures in 2012 is a function of a “perfect storm” of sorts, in which virtually all conditions are conducive to higher spending. I would call five of these conditions the key to the growth of these expenditures in 2012." (Quoted from article)