Document Type : Research Paper
Author
.
.,. . (2001). .. Economics Research, 1(3), 43-70.
.,. . ".", Economics Research, 1, 3, 2001, 43-70.
. .. (2001). '.', Economics Research, 1(3), pp. 43-70.
. ., ".," Economics Research, 1 3 (2001): 43-70,
. .. .. Economics Research. 2001;1(3):43-70 (In Persian).
