Policy Backgrounder No. 145 - The Marriage Penalty
The National Center for Policy Analysis examines the marriage penalty, and comes to some interesting conclusions, different than those popular among most Congressional leaders.

Issue Brief: The Marriage Penalty
The bi-partisan Concord Coalition examines the marriage penalty, offering a great deal of useful information and ideas.

Marriage Penalty vs. Singles Penalty
The realities of the marriage penalty, bonus, and the singles penalty explained.