According to one expert - yes they do.
Bill Rustem, CEO and president of Public Sector Consultants says endorsements have two major impacts. First, they provide publicity when they are announced... TV, newspaper, radio, etc. Second, many times the organizations will enlist it's membership to hit the streets in support of their chosen candidate.
Two years ago, former mayor David Hollister endorsed current mayor Tony Benavides. Both Bernero and Benavides were hoping for the public support of one of the city's most respected figures this year.
But, News Ten has received an email from Hollister's PR Director in the Michigan Department of Labor and Economic Growth, Maura Campbell.
In the email, Campbell writes, "As you know Michigan's economy especially jobs is job No. 1 for him right now and as such he's leaving the local race to the locals. He has no plans to take a public stand on the Lansing Mayor's race."