shinbushi
Green Belt
Wrong there are statistics on everything! the main research comes from Arthur Brooks, the author of a book on donors to charity, “Who Really Cares,” but there have been others.there is absolutely no basis for a statement like that. I'd say it's impossible to quantify in a meaningful way.
http://www.realclearpolitics.com/articles/2008/03/conservatives_more_liberal_giv.html