List of Articles رگرسیون انتقال ملایم پانلی Open Access Article Abstract Page Full-Text 1 - Evaluation of the performance of investment funds in the capital market of Iran: A panel smooth transition regression approach Mohammad javad Farhang hashem valipour M. Reza Setayesh seyyed jamaludin tabibi Open Access Article Abstract Page Full-Text 2 - Estimation the Income Elasticity of Per Capita Health Care Expenditure in D8 Countries: PSTR and MG Approaches Ali Rezazadeh moohamad Kalamie Saber Khodaverdizadeh Mostafa Shokri Open Access Article Abstract Page Full-Text 3 - Threshold Effect of Managerial Ownership on Firm Value: Again Test by using the PSTR Model Abolghasem Golkhandan Open Access Article Abstract Page Full-Text 4 - Investigating the Threshold Impact of Country Risk Index on the Impact of Public Debt on Economic Growth: Panel Smooth Transition Regression (PSTR) Approach javad harati Nesa Kamalian elham bita