An annual cost of living index for the American states measured [1960 through 2007] (click here to dowload)

Annual measures of citizen and government ideology for the American states [1960 through 2004] (available at Richard Fording's web site)

Candidate-Level State Legislative Returns in the U.S. with Adjusted Candidate Names (available at ICPSR, study # 3938)

Annual measures of tax capacity and tax effort for the American states [1960 through 1991] (available at ICPSR Publication-Related Archive, study # 1124)

"Testing for Interaction in Binary Logit and Probit Models: Is a Product Term Essential?," with Jacqueline H.R. DeMeritt and Justin Esarey, American Journal of Political Science, 54 (January 2010) (click here to download).

"Using Geographic Information Systems to Study Interstate Competition," with Brady Baybeck, American Political Science Review, 99 (November 2005) (available at ICPSR, study # 1323) [Portion of "Unpublished Supplement" cited in article containing more detailed description of GIS measurement procedure] [Portion of "Unpublished Supplement" containing supplementary statistical output cited in article].

"Legislative Professionalism and Incumbent Reelection: The Development of Institutional Boundaries," with Michael Berkman and Stuart Schniederman, American Political Science Review, 94 (December 2000) (available at ICPSR Publication-Related Archive study # 1227).

"Reassessing the 'Race to the Bottom' in State Welfare Policy: Resolving the Conflict Between Individual-Level and Aggregate Research," with Richard Fording and Russell Hanson, Journal of Politics, 65 (May 2003) (available at ICPSR Publication-Related Archive study # 1294).

“Tax Innovation by American States: Capitalizing on Political Opportunity,” with Frances S. Berry, American Journal of Political Science, 36 (August 1992).