Health Insurance Exchanges (HIX) 2.0

An examination of ACA implementation across all 50 states.

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About This Collection

The Health Insurance Exchanges (HIX) 2.0 collection provides overviews and raw data on the implementation of the Affordable Care Act across all 50 states, including variation and each state’s key implementation decisions.

They are produced by Leonard Davis Institute of Health Economics through a grant from the Robert Wood Johnson Foundation. The briefs provide insight into which health insurance exchange features are most effective and which factors explain state variation. The datasets were collected from primary sources such as statutes and other regulatory decisions, official gubernatorial press releases, and other reliable news sources. Note: If you are using the datasets for research purposes, please include proper citation for the data, which are provided on each dataset's page. Datasets may be combined as implementation moves forward; the date the datasets were last updated, which is specified on each dataset's page.

Latest Datasets

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Health Insurance Exchange Determination Process and Governance Structure Dataset

December 23, 2015

Data on the governance structure for each state’s health insurance exchange.

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Small Business Insurance Health Options Program (SHOP) Participation Rules Dataset

December 23, 2015

Data on the characteristics of each state’s small business exchange.

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Regulation of Choice Architecture Dataset

December 23, 2015

This dataset tracks how the Exchange is operated and what entity or entities have ultimate oversight.

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Latest Briefs

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State Variation in Narrow Networks on the ACA Marketplaces

August 1, 2015

A state-by-state analysis delves into how much choice consumers have over the doctors they see, if they purchased insurance through Affordable Care Act (ACA) marketplaces.

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The Skinny on Narrow Networks in Health Insurance Marketplace Plans

June 23, 2015

This brief is the first analysis of narrow networks to include data on individual physicians, as opposed to previous analyses that only explored the number of hospitals covered.

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The Financial Condition and Performance of CO-OP Plans

February 9, 2015

Researchers analyzed the long-term financial viability of the Affordable Care Act's Consumer Operated and Oriented Plans (CO-OP). See their findings.

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