Competition and health plan quality in the Medicare Advantage market.

ABSTRACT:

Objective

To examine the relationship between insurer market structure, health plan quality, and health insurance premiums in the Medicare Advantage (MA) program.

Data sources/study setting

Administrative data files from the Centers for Medicare and Medicaid Services, along with other secondary data sources.

Study design

Trends in MA market concentration from 2008 to 2017 are presented, alongside logistic and linear regression models examining MA plan quality and premiums as a function of insurer market structure for 2011.

Data collection/extraction methods

Data are publicly available.

Principal findings

MA plans that tend to operate in more concentrated MA markets have a higher predicted probability of receiving a high-quality health plan rating. Operat

SUBMITTER: Adrion ER 

PROVIDER: S-EPMC6736911 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature