List of Articles Open Access Article Abstract Page Full-Text 1 - Stock Liquidity Measured by Relative Bid–Ask Spread and Its Role in Explaining Financial Leverage Under Financial Constraints Maryam Sadat Tabatabaeian Mohammad Amini Abdolrasoul Rahmanian Koushkaki Open Access Article Abstract Page Full-Text 2 - Evaluation Systemic Risk and Volatility Contagion of Macroeconomic Variable with Entropy’s and TVP-VAR Mehdi Mohammad Pour Majid Zanjirdar Peyman Ghafari Ashtiani