Maks-Solomon, Cory. 2018. “Direct Election and Economic Policy Voting in the U.S. Senate.” In Midwest Political Science Association Annual Meeting. Chicago, IL.
- Roll call votes codebook available here.
- Replication data and Stata do-file available here.
- The featured image shows all Oregon Plan states that adopted a form of de facto direct election before the implementation of the 17th Amendment. (Source: Kenny and Rush 1990)