1. Demand for health care when time prices vary more than money prices;Acton,1973
2. Nonmonetary factors in the demand for medical services: Some empirical evidence;Acton;Journal of Political Economy,1975
3. Demand for health care among the urban poor with special emphasis on the role of time;Acton,1976
4. A behavioral model of families' use of health services;Andersen,1968
5. Factors affecting the relationship between family income and medical care consumption;Andersen,1970