Indonesia has 15% royalty on coal but it has not deterred investment there. It also has a divestment program where foreign owners have to divest 51% equity 10 years after start-up. Indonesian economy is growing at twice Australia's
https://www.reuters.com/article/indonesia-coal/indonesia-to-charge-higher-coal-mining-royalties-under-revised-rules-idUSL4N23R2VY
