The Lacuna Project

lacuna (n.) a gap in a record where something should be

Independent research. Not affiliated with any government, agency, or company.

Exhibit 769

"Captain Gains" on Capitol Hill (NBER Working Paper 34524)

Exhibit 769 ยท Research paper (not peer reviewed)

"Captain Gains" on Capitol Hill (NBER Working Paper 34524)

lawmakers who later ascend to leadership positions perform similarly to matched peers beforehand but outperform them by 47 percentage points annually after ascension.

Transaction-level data on congressional trades. Finds that lawmakers who later become party leaders match peers beforehand and outperform them afterward, which the authors attribute to political influence and corporate access channels.

Source
Wei and Zhou, NBER
Date
November 2025
Quoted from
Abstract
Grade
Primary record
Document
https://www.nber.org/papers/w34524
Accessed
2026-11-09
Cited by
Findings citing this exhibit

Cited by

Finding POL-4.11
Open question Studies of the period after 2012 disagree: Chen and Sacerdote (2026) find 2012-2023 portfolios underperform or at best match benchmarks, Belmont and colleagues (2020) report that stocks senators sold after the 24 January 2020 briefing underperformed the market by 9 percent, and Wei and Zhou (2025) find that lawmakers outperform peers by 47 percentage points a year after reaching party leadership.