%0 Journal Article
%A حقیقت, جعفر, معصوم زاده, سارا, سیدهاشمی, فاطمه
%T Covid - 19 Crisis and stock market volatility Markov switching nonlinear approach at the level of industries
%J Financial Economics
%V 19
%N 70
%P 157-178
%D 2025
%R https://doi.org/10.71818/ecj.2025.1061999 
%U https://sanad.iau.ir/fa/Article/1061999