1. A decade of health services;Andersen,1967
2. Welfare analysis of changes in health coinsurance rates;Arrow,1973
3. National health expenditures, 1929–1972;Cooper;Social Security Bulletin,1973
4. Further results on the errors-in-the-variables problem;Cooper,1971
5. The substitution of hospital outpatient care for inpatient care;Davis;The Review of Economics and Statistics,1972