We propose a dynamic portfolio choice model with the mean-variance criterion for log returns. The yields time-consistent policies and is analytically tractable even under some incomplete market settings. conform conventional investment wisdom (e.g., richer people should invest more absolute amounts of money in risky assets; longer time horizon, proportional amount be invested long-term investme...

Causal variance decompositions for a given disease-specific quality indicator can be used to quantify differences in performance between hospitals or health care providers. While demonstrate variation of care, causal mediation analysis study pathways leading the institutions. This raises question whether two approaches combined decompose between-hospital an outcome type that mediated through pr...