In:
Economics Letters, Elsevier BV, Vol. 35, No. 2 ( 1991-2), p. 143-147
Type of Medium:
Online Resource
ISSN:
0165-1765
DOI:
10.1016/0165-1765(91)90161-D
Language:
English
Publisher:
Elsevier BV
Publication Date:
1991
detail.hit.zdb_id:
1460581-8
detail.hit.zdb_id:
717210-2