According to studies, however, mining has contributed an average of only 1.6% to the Gross Domestic Product. Mining companies pay in taxes only the equivalent of 5% of their total mineral haul from the country.
Makatutulong din daw ito upang maibsan ang malalang disempleyo. Subalit ayon sa mga pag-aaral, may abereyds na 1.6% lamang ang ambag ng pagmimina sa pangkabuuang lokal na produksyon o Gross Domestic Product.