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Kejriwal, Mohitosh; Li, Xiaoxiao; Nguyen, Linh; Totty, Evan
Journal of applied econometrics, January/February 2024, 2024-01-00, 20240101, Letnik: 39, Številka: 1Journal Article
Summary A common approach to addressing ability bias is to augment the earnings‐schooling regression with proxies for cognitive and non‐cognitive skills. We evaluate this approach using a factor model framework, which allows consistent estimation of the returns to schooling without relying on proxies. The factor model estimators may be viewed as implicitly estimating proxy measurement error and/or accounting for omitted dimensions of ability. A bias decomposition quantifies the contribution of the proxies while the estimated latent skills are used to construct direct tests for their viability. Both sets of results confirm the inadequacy of the proxies in capturing the latent skills.
