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STICERD Industrial Organisation Seminars

Estimating Equilibrium in Health Insurance Exchanges: Price Competition and Subsidy Design under the ACA

Pietro Tebaldi (University of Chicago)

Monday 17 October 2016 12:30 - 14:00

Due to the onging coronavirus outbreak, many of our seminars and public events this year will continue as online seminars. Please check our website listings and Twitter feed @STICERD_LSE for updates.

About this event

To design premium subsidies in a health insurance market it is necessary to estimate consumer demand and study how different subsidy schemes affect insurers’ incentives. Combining data from the Californian ACA marketplace with a model of insurance demand and insurers’ competition, I identify and estimate demand and cost primitives, and assess equilibrium outcomes under alternative subsidy designs. I find that vouchers are less distortionary than subsidies calculated from market premiums, and — given age-heterogeneity in demand and cost — tailoring subsidies to age leads to an equilibrium where all buyers are better off and per-person public spending is lower.

Industrial Organisation seminars are held on Mondays in term time at 12:30-14:00, ONLINE, unless specified otherwise.

Seminar organiser: Alessandro Gavazza.

For further information please contact Lubala Chibwe, either by email:

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