The next year fewer candidates ran for municipal office, yielding incumbents an advantage, and voter turnout fell. The Cincinnati/Kentucky Post was historically dominant in Northern Kentucky and provided more than 80 percent of local news coverage when combined with Cincinnati's other (surviving) daily, the Cincinnati Enquirer.
The March 2009 study by economists Sam Schulhofer-Wohl and Miguel Garrido may be found at http://wws-roxen.princeton.edu/wwseconpapers/papers/dp236.pdf
See also Alan D. Mutter's blog "Reflections of a Newsosaur," at http://newsosaur.blogspot.com/2009/03/newspapers-do-matter-princeton-study.html