Document Type : Research Paper
Author
.
.,. . (2001). .. Economics Research, 1(2), 83-110.
.,. . ".", Economics Research, 1, 2, 2001, 83-110.
. .. (2001). '.', Economics Research, 1(2), pp. 83-110.
. ., ".," Economics Research, 1 2 (2001): 83-110,
. .. .. Economics Research. 2001;1(2):83-110 (In Persian).
