Econometrica Vol. 29 No. 3 1961
An Introduction to Longitudinal Analysis: The Method of Repeated Observations from a Fixed Sample
- DOI
- 10.2307/1909652
- Volume
- 29
- Issue
- 3
- Pages
- 487
- Sources
- semanticscholar openalex crossref
Econometrica Vol. 29 No. 3 1961