List of Articles Random Effects Open Access Article Abstract Page Full-Text 1 - The Impact of Leverage on Firms Investment Decision in Tehran Stock Exchange (TSE) اسداله افشاری علی سعیدی الهام رشادی Open Access Article Abstract Page Full-Text 2 - Dynamics of Global Agricultural Productivity and Democratic Governance Structure: Implications for Sustainable Food Supply Job Nmadu Usman Mohammed Yebosoko Nmadu Halima Sallawu Sokoyami Nmadu Mohammed Ndanitsa Ezekiel Yisa Kpotun Baba Taiwo Amos Abigail Jirgi Open Access Article Abstract Page Full-Text 3 - The Study of the relationship between Exchange Rates and the Total Factor Productivity (TFP) Growth: An Empirical Analysis Based On Panel Data in Selected Countries Mohammad Reza Shahab