List of Articles Transaction cost Open Access Article Abstract Page Full-Text 1 - The Moderating Role of Human Resources Strategic Role in Human Resources Outsourcing Decision at Telecommunications Sector Dana__MHD Dib__Alkwaify Dana__MHD Dib__Alkwaify Ayman Dayoub Mohsen__shafiei__Nikabadi Mohsen__shafiei__Nikabadi Open Access Article Abstract Page Full-Text 2 - An Investigation of methods to reduce transaction costs in Tehran Stock Exchange Romina Atrchi Shahin Ramtinnia Open Access Article Abstract Page Full-Text 3 - Style investing and portfolio composition based on fundamental ratios and technical indicators Kamran Pakize Milad Rahmani Fatemeh Azizzade Open Access Article Abstract Page Full-Text 4 - The Fuzzy Mean-Entropy Portfolio Model : Sensitivity Analysis, Transaction Costs Based on Credibility Theory Mahmoud Lari Dashtbayaz Shaban Mohammadi Nader Naghshbandi Open Access Article Abstract Page Full-Text 5 - The effects of outside board on firm value in Tehran Stock Exchange from the perspective of information transaction costs S. Jabbarzadeh Kangarlouei B. Kavasi M. Motavassel Open Access Article Abstract Page Full-Text 6 - .The role of firm size on the relationship between transaction costs and the competitiveness of auditing firms. fatemeh sarraf Open Access Article Abstract Page Full-Text 7 - Factors Affecting Structure, Conduct and Performance of Livestock Markets in Butana Area, Sudan Hala Ahmed Hassan Mohammed Abdelaziz Abdelfattah Hashim Babo Fadlalla Siegfried Bauer Sahar Ezzat Open Access Article Abstract Page Full-Text 8 - Impact of applying technology of digital currency on searching and bargaining costs towards resistance economy maryam Farzanehrafat amir gholami Seyed Mohammad Mehdi Ahmadi Open Access Article Abstract Page Full-Text 9 - Provide a multi-objective - multi-objective mathematical model for investing in a portfolio under a hybrid risk measure ahmad dadashpour omrani syed ali nabavi chashmi erfan memarian Open Access Article Abstract Page Full-Text 10 - Impact of applying block chain on controlling, monitoring and enforcement costs in Iran maryam Farzanehrafat amir gholami Seyed Mohammad Mehdi Ahmadi Open Access Article Abstract Page Full-Text 11 - Option Pricing by Binomial Model under Knightian Uncertainty and Transaction Cost in Tehran Stock Exchange Moslem Peymani Mostafa Sargolzaei Amir Hosein Mosafa Open Access Article Abstract Page Full-Text 12 - Survey on fractional Black-scholes with hurst exponent on European option with transaction cost Morteza Rahmani Nahid Jafarian Open Access Article Abstract Page Full-Text 13 - The Application of Robust Optimization and Goal Programming in Multi Period Portfolio Selection Problem Saghar Homaeifar Emad Roghanian Open Access Article Abstract Page Full-Text 14 - Can digital currency technology help reduce transaction costs and improve access to financial services for underbanked populations? Bouayed Sarra