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You are here: Home / Anderson On Health Insurance / Nothing matters a lot — zero premium plans on the Exchange

Nothing matters a lot — zero premium plans on the Exchange

by David Anderson|  January 7, 202010:51 am| 10 Comments

This post is in: Anderson On Health Insurance

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Health Affairs has published a new research article that I cowrote with Coleman Drake of the University of Pittsburgh. We were curious about what happens to county level enrollment in the ACA when more people are exposed to plans that cost them nothing after subsidy. We are not studying whether or not people choose the zero premium plans (our data would not allow that) but whether or not enrollment changes due to a plan being offered at zero premium instead of “merely” low premium.

We took advantage of Silver Loading again. From 2014-2017, most zero premium plans were only available to people who earned under 150% Federal Poverty Level. These folks have a low expected contribution for the benchmark Silver plan and are eligible for strong CSR assistance. In 2018 and 2019, Silver Loading spiked the number of people who were exposed to at least one plan that had a zero premium.

Nothing matters a lot --- zero premium plans on the Exchange

Lots of people were now exposed to at least one plan that cost them nothing after subsidy.  And this matters.  We found that the presence of a zero premium plan increased enrollment by 14% for the group of folks who earn between 151-200% FPL if their county had a zero premium plan.  This is after controlling for premium spreads and premium levels as well where demand curves behave in the expected manner — cheaper prices leads to more enrollment as well.

We think zero is weird and special.  This is well established in the behavioral economics literature.  We could hypothesize two stories that explain this weirdness.  The first is an anchoring story.  The default display on Healthcare.gov is to show lowest premium first.  If the first number a person sees is zero, maybe everything else looks reasonably priced?  We would expect to see people who are exposed to zero premium plans to not overwhelmingly purchase the zero premium plan.  The second story is more of an administrative burden/cognitive load management story.  Paying bills is a pain in the ass.  Juggling yet another bill involves a lot of management where it is affordable if everything works out just right but if there is a bad week/month, stuff has to give and adding one more bill into the pile of things that have to be juggled is a significant weight.  A zero premium plan removes the cognitive burden of additional juggling.  If this is the story, we would expect most of the people who are exposed to a zero premium plan to be buying the zero premium plan.  I suspect, without any micro-data evidence, that it is a bit of both.  We will have future work teasing this out.

Most of the zero premium plans are Bronze plans although there are some zero premium Silver and Gold plans (this entire research question started due to me seeing zero premium Gold plans in Oklahoma).  Bronze plans are very high deductible and cost sharing.  If someone is eligible for CSR-87 Silver plans at a reasonable premium, I would recommend that they go to Silver even if the monthly payments are higher.  However, the relevant comparison for a zero premium Bronze plan is against uninsurance.  At that point, a zero premium Bronze plan with a high but capped deductible dominates a zero premium uninsurance plan with an infinite deductible.

Now where does all of this fit in?

From a state rule making point of view, this strongly suggests that states should encourage their insurers to offer very cheap bronze plans that are fully subsidizable.  This means allowing insurers to offer plans that are only essential health benefits.  It also means allowing insurers to offer at least one plan with maximum deductibles and out of pocket amounts.

From an insurer point of view, zero premium plans should improve retention and decrease risk variability as it is very hard to terminate a member for non-payment of premium when there is no premium to pay.  We think that we will see a significant difference in enrollment length for people who have a zero premium plan and people who have selected a low dollar ($1 -$10 ) plan.

Nothing Matters A Lot.

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10Comments

  1. 1.

    G McD

    January 7, 2020 at 11:24 am

    $0 premium plans are a good thing for people who do not expect to access care regularly. $0 upfront is awesome, until you need to access care and you have to hit an astronomical level of spending before coverage kicks in. Because if insurers want to remain profitable, they have to make up the lost money on premiums somewhere. The most obvious place is raising deductibles so they can delay actually paying claims to later in the year. Does your report cover the effect on deductibles as premiums drop to $0, or do you plan on looking at this tradeoff? Because one way or another, the cost of care is still quite burdensome for most people (either upfront or at point of service)

  2. 2.

    David Anderson

    January 7, 2020 at 11:33 am

    @G McD: The premiums are being fully paid by the federal government through the form of advanced premium tax credits so your question about deductibles is not particularly relevant.

    The comparison of a zero premium bronze plan is against a zero premium not covered at all non-plan.

  3. 3.

    WaterGirl

    January 7, 2020 at 11:37 am

    Really interesting research, with the potential for making a real difference in people’s lives.  Does it get any better than that?

  4. 4.

    David Anderson

    January 7, 2020 at 11:42 am

    @WaterGirl: Awesome co-authors are also a part of this mix.  I’ve been working with Coleman for about a year now and we have three things published, a new grant to really dig into the details of zero premium, and three other papers in pipeline … so yeah, this is a damn good place to be for me.

  5. 5.

    guachi

    January 7, 2020 at 11:45 am

    When I was dirt poor I would have jumped at the $0 premium plan. Though it’s also possible I would have been on the expanded Medicaid or in school and still on my parent’s plan.

  6. 6.

    Another Scott

    January 7, 2020 at 11:46 am

    Nothing is, everything
    Everything is, nothing is

    ;-)

    Interesting analysis. Thanks, and congratulations!

    Cheers,
    Scott.

  7. 7.

    WaterGirl

    January 7, 2020 at 11:54 am

    @David Anderson: That’s so great!

    Drop me a line if something comes up and you want to make a change to the Jan 10 date we talked about.

  8. 8.

    David Anderson

    January 7, 2020 at 12:45 pm

    @WaterGirl: January 10 is still good for me.

  9. 9.

    WaterGirl

    January 7, 2020 at 1:01 pm

    @David Anderson: done!

  10. 10.

    Doug

    January 8, 2020 at 3:36 am

    Thanks for this work and for the summary!

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