List of Articles اقتصاد محیطزیست Open Access Article Abstract Page Full-Text 1 - Nonlinear affect in Competitiveness and Firm Innovation by Environmental Policy Stringency; testing the Porter's Hypothesis omidali adeli yazdan goudarzi ali akbar ebrahiminejad 10.22034/jest.2021.50262.4965 Open Access Article Abstract Page Full-Text 2 - Ecosystem Services Valuation; Concepts and Methods Sedighe Abdollahi Alireza Ildoromi Open Access Article Abstract Page Full-Text 3 - Determination of Recreational Value of Vashi Strait and Savashi Waterfall in Firouzkooh hamidreza Arbab Teimoor mohamadi hosein esfandiar Open Access Article Abstract Page Full-Text 4 - The Effect of Environmental Performance on Happiness: A Cross-country Analysis hadis hesabi morteza khorsandi hosein abbasinejad Hassan Dehghan Shourkand