id	keyword
american_scientific_journal-1572	tax
american_scientific_journal-1572	regime
american_scientific_journal-1572	taxation
american_scientific_journal-1572	mineral
american_scientific_journal-1572	risk
american_scientific_journal-1572	scenario
american_scientific_journal-1572	tax regime
american_scientific_journal-1572	research
american_scientific_journal-1572	revenue
american_scientific_journal-1572	case
american_scientific_journal-1572	government