List of Articles ریسک نقدشوندگی سهام Open Access Article Abstract Page Full-Text 1 - An Investigation of Affecting Factors in Bid Ask Spread as a Measure for Information Asymmetry Heidar Foroughnejad Mohsen Moradijoz Open Access Article Abstract Page Full-Text 2 - Investigating the Impact of Social Responsibility and Liquidity Risk of Company Stocks on Fluctuations in Stock Returns in Companies Listed on Tehran Stock Exchange seyed ali hosseini sara razani 10.30486/fbra.2021.1942863.1040