Health insurance: tradeoffs revisited

Area of Science:

• Health Economics
• Insurance Economics

Background:

• Nyman questioned prior welfare calculations and conclusions on health insurance.
• The original study explored the tradeoff between risk pooling and moral hazard in health insurance.

Purpose of the Study:

• To refute erroneous criticisms regarding welfare calculations in health insurance.
• To clarify the methodology and conclusions of the original study on health insurance.

Main Methods:

• Re-evaluation of welfare calculations using compensating variations.
• Analysis of second-best insurance plans to determine optimal cost-sharing.

Main Results:

• Welfare calculations correctly incorporate gains from risk pooling.
• Estimates indicate that some cost-sharing is optimal in insurance plans.
• The findings support the desirability of insurance coverage, contrary to criticisms.

Conclusions:

• The criticisms regarding welfare calculations and insurance desirability are unfounded.
• The study reaffirms the importance of risk pooling and optimal cost-sharing in health insurance.
• Further discussion addresses other points raised by Nyman.