This explainer provides an overview of the population aged 65 and older in California, including sources of health insurance, demographic information, and how legislation and regulations may impact insurance coverage for this population.

This explainer provides an overview of claims data, including how the data is collected, what information may be available within the datasets, and how the data are used to inform CHBRP's analyses.

This explainer aims to help clarify and explain the common cost-sharing terms often addressed in health policy legislation.

This explainer explores California's existing regulations related to measuring the adequacy of provider networks, and begins to re-evaluate questions of network adequacy in light of new state and federal laws and new health care business models and practices.