共 3 条
[1]
GRAVES PE, 1982, AM ECON REV, V72, P1131
[2]
HALL AD, 1987, ECONOMET THEOR, V3, P171, DOI DOI 10.1017/S0266466600010288
[3]
HIRSCH BT, 1984, AM ECON REV, V74, P822