3.2.1. Copper Production

This study assumes that copper production in any scenario is set at 1500 kt, equal to copper production at 2017 in Japan [15]. The gross domestic product (GDP), which is the total of the value

added by all sectors, is also set to the same value as the 2011 I-O table in order to highlight the di fference in final demand distribution among sectors, rather than overall GDP change.
