An annual cost of living index for the American states measured [1960 through 2003] (available at ICPSR Publication-Related Archive, study # 1275)

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)

"Using Geographic Information Systems to Study Interstate Competition," with Brady Baybeck, American Political Science Review, 99 (November 2005) (available at ICPSR, study # 3938) [Portion of "Unpublished Supplement" cited in article containing more detailed description of GIS measurement procedure] [Portion of "Unpublished Supplement" containing supplementary statistical output cited in article]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).