In the early 2000s, the United States and Canada implemented new campaign finance laws restricting the ability of interest groups to make political contribution

An illuminating perspective on the polarizing effects of campaign finance reform

Interest groups shape tactics in response to restrictions on campaign activities

The recent rise of “primarying” corresponds to the rise of national fundraising bases and new types of partisan organizations supporting candidates around t

Campaign contributions are widely viewed as a corrupting influence but most scholarly research concludes that they have marginal impact on legislative behavior.