Memo summarizing states with a flat income tax rate and related exemptions.
Handouts submitted by Joseph Henchman, Vice President, Tax Foundation:
Table, Wisconsin State-Local Tax Burden Compared to U.S. Average (1977-2009)
Memo summarizing the Department of Revenue's collections and compliance initiatives, including audit staffing and a breakdown of delinquent taxes by type.
Map of states indicating the average effective income tax rates for the bottom 20% of income level.
Magazine, The Nation's First, The State's Largest The State Income Tax: Magnitude, Incidence, and Complexity (April 2012), distributed by Todd Berry, President, Wisconsin Taxpayers Alliance.
Wisconsin Tax Incidence Study, Department of Revenue (December 16, 2004).