Why is health care economically special?

Pervasive uncertainty, asymmetric information, and insurance create market failures (moral hazard, adverse selection) that ordinary competitive analysis does not capture.

What is health capital?

The idea that health is a durable stock people invest in (through care, diet, exercise) and that yields healthy time, central to the demand for health and medical care.

Health, Education, and Welfare Economics

This field studies the economics of health, education, and welfare — how these are produced, financed, and distributed, and how policy can improve outcomes and equity.

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Scope

JEL category I covers health economics (health care markets, insurance, health production), the economics of education, and welfare, poverty, and the economics of well-being.

Sub-topics

Core questions

How do health and education markets differ from ordinary markets?
How should health care and education be financed?
How do people invest in their own health and skills?
How should welfare and poverty be measured and addressed?
How can policy improve outcomes and equity?

Key concepts

Asymmetric information in health care
Moral hazard and adverse selection
Health capital
Human capital
Welfare measurement
Capabilities
Equity in health and education

Key theories

Economics of medical care: Arrow showed that uncertainty and asymmetric information make medical care markets special, explaining insurance, professional norms, and the case for non-market institutions.
Health capital: Grossman modelled health as a durable capital stock that individuals invest in and that depreciates with age, founding modern demand-for-health analysis.
Capabilities and welfare: Sen argued welfare should be assessed in terms of capabilities and functionings rather than income or utility alone.

History

Health economics was founded by Arrow's 1963 analysis of medical-care markets and developed through Grossman's health-capital model and the RAND Health Insurance Experiment. The economics of education drew on human-capital theory, and welfare economics was broadened by Sen's capabilities approach, making this a strongly policy-oriented field.

Debates

How should health care be organized?: Market failures in health care frame debates over insurance design and the role of the state.
How should well-being be measured?: Income- and utility-based measures contend with capability-based assessments of welfare.

Key figures

Kenneth Arrow
Michael Grossman
Amartya Sen

Seminal works

arrow-1963
grossman-1972
sen-1985

Frequently asked questions

Why is health care economically special?: Pervasive uncertainty, asymmetric information, and insurance create market failures (moral hazard, adverse selection) that ordinary competitive analysis does not capture.
What is health capital?: The idea that health is a durable stock people invest in (through care, diet, exercise) and that yields healthy time, central to the demand for health and medical care.