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Problems or sample selection in explaining student performance in economics classes are identified, and Heckman's two-step method is used to correct the implied bias in both Cobb-Douglas and translog-type learning functions. The effects of gender and other explanatory variables are then examined.
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Stored only when both papers are in the corpus — 84 citations exist upstream.
Papers that cite the same references — the relational fallback while embeddings are still backfilling.
Imported from OpenAlex (CC0) — nothing here is generated.