[PDF][PDF] The Effects of Covid-19 on Long-term Memory and Risk of Gold, Silver, S&P 500, and Tehran Stock Exchange
M Osoolian, A Koushki - Journal of Securities Exchange, 2023 - sid.ir
This study examines the risk of the Tehran Stock Exchange and the S&P 500 index, as well
as gold and silver. Each investigation was performed separately before the outbreak of …
as gold and silver. Each investigation was performed separately before the outbreak of …