issue 4 publication date 2017-12-01

• Effect of Business Groups Affiliation on Cash Holdings and Return on Equity
• Comparative Approach to the Backward Elimination and for-ward Selection Methods in Modeling the Systematic Risk Based on the ARFIMA-FIGARCH Model
• Investigating the Effect of Financial Constraints and Different Levels of Agency Cost on Investment Efficiency
• Investigating the Effect of Profitability and Operating Cash Flow on Trademarks Value
• Studying the Expected Returns Based on Carhart Model Com-pared to CAPM Model and Implicit Capital Cost Model Based on Cash and Capital Flow of Growth and Value stocks
• Investigating the Effect of Management Entrenchment on Speed of Cash Holding Adjustment in Companies Listed in Tehran Stock Exchange
• Impact of Long-term Debt on Overinvestment Problem of Agency
• Using Genetic Algorithm in Solving Stochastic Programming for Multi-Objective Portfolio Selection in Tehran Stock Exchange