U.S. Congressional Lawmaking Effectiveness and Issue Specialization

This dataset supports replication for a Journal of Politics article analyzing legislative effectiveness in the U.S. House and Senate. It contains data and code for studying issue specialization and lawmaking. The specific row and column counts are not provided.

Use Cases

• Analyze patterns of legislative effectiveness across House and Senate members.
• Study the relationship between issue specialization and bill passage rates.
• Replicate statistical models from the associated Journal of Politics article using the provided code.

Strengths

• Data is associated with a peer-reviewed article in the Journal of Politics.
• Separate datasets and code are provided for the House and Senate, allowing for chamber-specific analysis.
• The dataset was last updated in February 2026.

Limitations

• The dataset's structure, including row and column counts, is unknown.
• The specific variables and features available for analysis are not detailed.
• The file formats and data size are unspecified, complicating download planning.

Provenance

Source

The Journal of Politics Dataverse.

Collection Method

Replication data and code for a published academic article.

Freshness

Last updated 2026-02-10.

Geography

United States (U.S. Congress).