CHAPRA, M. UMER; RAHMAN, A. N. M. AZIZUR - In: The Pakistan Development Review 2 (1962) 3, pp. 422-432
A number of variables in an economy may be aifectedby seasonal influences such as weather conditions, trade practices, traditions, customs, etc. Since these variations recur year after year with an approximately constant degree of relative intensity and regularity, it is possible to make...