“Groups and the Party Coalitions” with Matthew Grossman. American Politics Research. September 2009.

“Mandates, Honeymoons, and the Obama Administration,” The Forum: Vol. 7 : Iss. 1, Article 4.

“Is it a Honeymoon? An Empirical Investigation of the President’s First Hundred Days” Congress and the Presidency (Spring 2005).

“Candidates and Candidacies in the Expanded Party,” with Jonathan Bernstein, PS: Political Science and Politics (April 2003: 165-169).

“Ronald Reagan’s First 100 Days,” in Reassessing the Reagan Presidency ed. Richard S. Conley (University Press of America, 2003).

"Party Coalitions and Interest Group Networks," Paper prepared for delivery at the Annual Meeting of the American Political Science Association, Boston, MA, August 28-September 1, 2008. SLIDES

"Interest Group Factions in the Democratic Party" Paper Prepared for delivery at the Annual Meeting of the Western Political Science Association, Las Vegas, Nevada, March 8-11, 2007 .

“Groups and the party Coalitions: A Network Analysis of Overlapping Donor Lists.”Paper prepared for delivery at the Annual Meeting of the American Political Science Association, Washington, D.C., September 1-3, 2005.

“The Honeymoon Effect: Investigating Individual Members’ Propensities to Support the president," with Justin Buchler. Paper prepared for delivery at the Annual Meeting of the American Political Science Association, Washington, D.C., September 1-3, 2005.

“Before the Primary: How Party Elites and Ambitious Candidates Respond to Anticipated General Election Competitiveness.” Working paper.