Table 7 Simulated shares of conflict minerals in top 10 industry sectors in G8 and reduction rate of conflict minerals by application of the regulation that all firms in the ‘metals and mining’ upper-sector and the ‘trading companies and distributors’ sector in G8 must not distribute conflict minerals to their customers; the \(\pmb{q_{i}}\) s of these firms are one and \(\pmb{q_{i}=0.3}\) otherwise in Eq. ( 3 )

From: Structure of global buyer-supplier networks and its implications for conflict minerals regulations