moderndid.load_ehec#

moderndid.load_ehec() → DataFrame[source]#

Load the EHEC dataset for Medicaid expansion analysis.

This dataset contains state-level data on health insurance coverage rates among low-income childless adults from 2008-2019, used to study the effects of Medicaid expansion under the Affordable Care Act.

The dataset tracks 46 states that expanded Medicaid at different times (2014, 2015, 2016, 2017, or 2019) as well as states that never expanded during the sample period, observed across 12 years for a total of 552 observations.

Returns:
polars.DataFrame

A DataFrame with the following columns:

  • stfips: State FIPS code identifier

  • year: Year (2008-2019)

  • dins: Share of low-income childless adults with health insurance (outcome variable)

  • yexp2: Year that state expanded Medicaid (2014, 2015, 2016, 2017, 2019, or NaN for never-expanded)

  • W: State population weights

References

[1]

Rambachan, A., & Roth, J. (2023). A more credible approach to parallel trends. Review of Economic Studies, 90(5), 2555-2591.

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