Replication Files for Twins-Based Education Return Study

Encompassing replication files for a study on the return to education in the mid-20th century, published in the Journal of Economic History in 2020. The files include code to generate figures and tables, authored by James J. Feigenbaum. The underlying census data is restricted and requires separate approval from IPUMS and NBER.

Use Cases

• Replicate the study's econometric analysis using the provided code and the restricted census data.
• Generate the specific figures and tables from the published paper on education returns.
• Examine the replication methodology for twins-based studies on education and earnings.

Strengths

• Replication files are directly associated with a peer-reviewed publication in the Journal of Economic History.
• The underlying data source is a complete count census, providing a high level of detail.

Limitations

• The primary census data is restricted and not included; access requires separate approval from IPUMS and NBER.
• The dataset consists only of replication code and does not contain the analytical data itself.

Provenance

Source

ICPSR Harvested Dataverse.

Collection Method

Replication files for a published academic study.

Time Range

Mid-20th century (specific range not provided).

Freshness

The replication files were last updated in February 2026.

Geography

null