Effect of long memory dependence structure between the dollar exchange rate and oil products in the Tehran stock Exchange Index: A copula based approach

Document Type : Original Article

Authors
Mahdi Salehi 1
Samaneh Zamani Moghadam 2
Sadegh Nekooei 3
1 Assistant Professor , accounting department , ferdowsi university of Mashhad
2 Msc in accounting – Islamic Azad university , Birjand sciences and research Branch
3 Msc in financial management – Islamc Azad university , Ayatollah Amoli sciences and reseach Branch
Abstract
During the last decade crucial part of the analyzing the time series has devoted to the long memory. Existence of long memory in output of possession has significant application for investing in efficiency of market, Pricing the differential paper, and selecting the possessions basket. In our research the effect of long memory dependence structure between the dollar exchange rate and oil products in the Tehran stock exchange index. First the existence of long memory ARFIMA test review and continue to understand the impact of long memory on the dependence structure of two types, raw data and filtered data (Dollar exchange rate variability data and index Petroleum for the period from 2009-2013) have been used. The result showed that the raw data has a long memory, than the tail dependent data are filtered.
Keywords
long memory
dependence structure
copula