FARMER, Karl, and Birgit BEDNAR-FRIEDL. 2017. “EXISTENCE AND EFFICIENCY OF STATIONARY STATES IN A RENEWABLE RESOURCE BASED OLG MODEL WITH DIFFERENT HARVEST COSTS”. Studia Universitatis Babeș-Bolyai Oeconomica 62 (3):3-32. http://193.231.18.162/index.php/subboeconomica/article/view/2675.