Synthetic Control Method

One popular technique for causal inference is difference-in-difference (DiD) estimation. Under DiD, there is one cohort of observations with both a pre and post intervention time period and another group that was not exposed to the intervention. The time trend of the group without an intervention in essence serves as a control group for the…

Can we reduce superutilizers’ health care costs​?

In the U.S., 5% of the population account for 50% of expenditures. Many of these so-called “superutilizers” have multiple comorbidities; some of these patients face economic challenges, while others may contend with mental illness. One approach to attempt to improve quality and reduce cost is to provide these high-cost patients with supplemental services. One question…