共 37 条
[2]
ACTON JP, 1976, ROLE HLTH INSURANCE
[3]
ADAY LA, 1975, DEVELOPMENT INDICES
[4]
ALLEN RGD, 1964, MATHEMATICAL ANALYSI
[5]
Becker N. G., 1973, J POLITICAL EC, V81, P279, DOI [10.1086/260166, DOI 10.1086/260166]
[7]
FELDMAN R, 1975, DEC M ALL SOC SCI AS
[8]
FRIEDMAN B, UNPUBLISHED
[9]
FUCHS VR, 1968, SERVICE ECONOMY
[10]
FUCHS VR, 1972, DETERMINANTS EXPENDI