“What Makes an Agency Independent?”  American Journal of Political Science 59(4):971-987 (2015).

Agency Independence Codebook: describes variables and their coding and contains statutory provisions justifying the coding for each agency.  SelinIndepCodebook

Agency Independence Raw Data: SelinIndepData

Agency Independence Estimates: SelinIndepEstimates

Sourcebook of United States Executive Agencies (with David E. Lewis).  Washington, DC: Administrative Conference of the United States (2012).

Sourcebook Codebook: ACUS Sourcebook Codebook/Appendix

Sourcebook Data: ACUS Sourcebook Data

“The House as a Stepping Stone to the Senate: Why Do So Few African-American House Members Run?” (With Gbemende Johnson and Bruce I. Oppenheimer) American Journal of Political Science 56(2):387-399 (2012). 

Replication Data: JOSReplicationFile