List of Articles شکاف قیمتی Open Access Article Abstract Page Full-Text 1 - The Effect of New Liquidity Criteria on Micro structure Disturbance in High Frequency Prices Majid Safari Majid Zanjirdar Mahmood Nasrollahi Open Access Article Abstract Page Full-Text 2 - impact of corporate governance strength on stock market liquidity: Emphasizing criteria Amihud, transaction volume and bid-ask spread Allah Karam Salehi Open Access Article Abstract Page Full-Text 3 - Bank opacity and efficiency of stock prices Heyedeh Erfani Ali Rahmani Alireza Heidarzadeh Hanzaee Open Access Article Abstract Page Full-Text 4 - Effect of price gap and inappropriate selection as information asymmetric measures on the level of cash holdings Zohreh Hajiha Seyede Mahboobeh Jafari Rosam Ranjbar navi Open Access Article Abstract Page Full-Text 5 - Survey the influence of stock liquidity on the stock return listed at the Tehran stock Exchange Younes Badavar Nahandi Mehdi Zeynali Azhdar Maleki