Investigating the Nonlinear Effects of price and Volatility in Gold, Oil and Exchange Rate on the Stock Price Index in Iran (Using NARDL and MRS-GARCH methods) Soraya Peyghan; Farshid Pourshahabi; Azim Nazari Volume 2, Issue 2, October 2021, Pages 257-280 10.52547/jep.2.2.257 View Article PDF 546.58 K