List of Articles Environmental Economics Open Access Article Abstract Page Full-Text 1 - The Policies of Learning Economy to Achieve Sustainable Development Mohammad Mohammadi Ashnani Tahereh Miremadi Afshin Danekar Majid Makhdoom Farkhonde Vahid Majed 10.22034/jest.2018.12392.2096 Open Access Article Abstract Page Full-Text 2 - 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 3 - The Effect of Environmental Performance on Happiness: A Cross-country Analysis hadis hesabi morteza khorsandi hosein abbasinejad Hassan Dehghan Shourkand