This paper revisits the relationship between nurse staffing and quality of care in nursing homes using an instrumental variables approach. Most prior studies rely on cross-sectional evidence, which renders causal inference problematic and policy recommendations inappropriate. We exploit...

This paper develops a dynamic model of entry and exit to analyze quality choice and oligopoly market structure in the nursing home industry. The model is estimated using a hybrid two-step estimator. I find significant heterogeneity in the competitive effects across market structures: firms of...