J. Hammer
2004
A researcher in the Science corpus: 1 paper; trusts 1 researcher and is trusted by 0 researchers here, as inferred from the citation graph.
Whom J. Hammer trusts overall
Their strongest outbound trust, strongest first, inferred from their citations.
Papers from J. Hammer's perspective
Ordered by how strongly the researchers J. Hammer trusts endorse each paper. Same corpus, a different order for every researcher.
- Sample selection bias as a specification error
- VARIETIES OF SELECTION BIAS
- An IV Model of Quantile Treatment Effects
- Estimating causal effects of treatments in randomized and nonrandomized studies.
- Identification and Estimation of Triangular Simultaneous Equations Models without Additivity
- INFERENCE AND MISSING DATA
- Accounting for No-Shows in Experimental Evaluation Designs
- Estimation of Educational Borrowing Constraints Using Returns to Schooling (Journal of Political Economy)
- Instrumental variable estimation of nonparametric models
- Observational Studies