The Shifting Shape of Risk: Endogenous Market Failure for Insurance
AbstractThis article considers an economy where risk is insurable, but selection determines the pool of individuals who take it up. First, we demonstrate that the comparative statics of these economies do not necessarily depend on its marginal selection (adverse versus favorable), but rather other characteristics. We then use repeated cross-sections of medical expenditures in the U.S. to understand the role of changes in the medical risk distribution on the fraction of Americans without medical insurance. We ﬁnd that both the level and the shape of the distribution of risk are important in determining the equilibrium quantity of insurance. Symmetric changes in risk (e.g., shifts in the price of medical care) better explain the shifting insurance rate over time. Asymmetric changes (e.g., associated with a shifting age distribution) are not as important. View Full-Text
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Koch, T.G. The Shifting Shape of Risk: Endogenous Market Failure for Insurance. Risks 2017, 5, 9.
Koch TG. The Shifting Shape of Risk: Endogenous Market Failure for Insurance. Risks. 2017; 5(1):9.Chicago/Turabian Style
Koch, Thomas G. 2017. "The Shifting Shape of Risk: Endogenous Market Failure for Insurance." Risks 5, no. 1: 9.
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